Crashes, No Sound, or Screen Glitches?
Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minuteWindows Errors? Fix Them Before They Spread
Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstalliTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more
Yes, you can usually use a VPN and antivirus together. They protect different parts of your device: a VPN encrypts and routes network traffic, while antivirus software scans files and monitors activity for malware. Conflicts arise when two products install competing network filters, when more than one antivirus tries to provide real-time protection, or when a workplace policy controls the device. Start by checking which antivirus is actually active, then troubleshoot the exact VPN, antivirus, operating system, and symptom involved.
What a VPN and antivirus each protect
A VPN creates an encrypted connection between your device and a VPN service, then routes some or all network traffic through that connection. This can protect data on an untrusted network and mask your public network address from sites you visit. It does not inspect downloaded files for malware, determine whether an application is malicious, or guarantee that a website is safe.
Antivirus software monitors files, processes, downloads, scripts, and other activity according to its product design. It can identify or block malicious code, but it does not create the VPN tunnel or automatically make every network connection private. Treat the two products as complementary rather than interchangeable.
Quick wins for a faster PC:
Clear out junk files and repair common Windows errorsFree Scan →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →| Capability | VPN | Antivirus |
|---|---|---|
| Encrypts traffic between the device and a VPN endpoint | Yes, for traffic sent through the tunnel | No |
| Changes the route used for network traffic | Yes; full-tunnel and split-tunnel modes differ | Not normally, although security filters can inspect or block traffic |
| Scans files and downloads for malware | No | Yes, subject to the product’s features and configuration |
| Blocks malicious processes or behavior | No | Often, depending on the product and enabled protections |
| Protects traffic that bypasses a split tunnel | No; bypassed traffic is outside that VPN tunnel | It may inspect that traffic, but this is not equivalent to VPN encryption |
Because their jobs differ, running both is reasonable. Compatibility still depends on the operating system, product versions, firewall and network-filter drivers, routing mode, and whether the device is managed by an employer.
#1 Best Overall
- Powerful Turbo Fan:CAGIWIRU Electric Air Duster have reached speed up to 130000RPM,Can efficient remove dust and debris.With LED light and Three Adjustable Speed to meet with different cleaning tasks.
- With Attached USB C Fasting Charging cable.Charing 3 hours,Enjoy up to 240 minutes of use on the lowest setting, For third speed can use for 25mins.with four charging options to meet with your needs.
- Wide Application: attached 5 different nozzles,making it suitable for a variety of scenes, such as car,pet, pc, keyboards, and other electronic devices. It also serves for office and home clean duster.
- Handy Design & Portable:Cordless air duster electric nozzle is Light weight and small size, design and comfortable to hold and space saving, convenient to carry around. You can put it in your room or inside the car without taking up space.
- Economical &Reusable: Built durable materials with a long-lasting battery,our CAGIWIRU air duster it's a sustainable alternative to disposable air cans.
Check which antivirus is active before changing anything
Do not assume that every installed antivirus product is providing real-time protection. On Windows 10 and Windows 11, Microsoft documents a consumer scenario in which a registered non-Microsoft antivirus becomes the primary solution and Microsoft Defender Antivirus is disabled automatically when the device is not onboarded to Defender for Endpoint. Windows 11 Smart App Control can affect whether Defender runs in active or passive mode.
- Open Windows Security.
- Select Virus & threat protection.
- Open Manage providers.
- Record which product is listed as the active antivirus and which protections are enabled.
This check matters because troubleshooting two supposed real-time scanners as though both are active can lead you to remove or disable the wrong protection. It also prevents a false sense of security when a second installed product is only on-demand or passive.
Why Windows Server is different
Do not apply the consumer Windows assumption to Windows Server. Microsoft describes different behavior and prerequisites for passive mode on servers, and multiple installed antivirus products can cause problems. Server administrators should follow the deployment guidance for the exact server edition, endpoint-management state, and antivirus products rather than copying consumer steps.
Free tools Windows power users keep installed
One-click scans. No signup required.
Other operating systems
Microsoft lists Defender for Endpoint coverage across Windows, macOS, Linux, Android, and iOS, but configuration and registration differ by platform. The Windows Security path above is not a universal Mac or mobile procedure. On another platform, use that operating system’s security settings and the product vendor’s current instructions.
Prepare a supported baseline
Before changing exclusions, routes, or firewall rules, write down the setup. This turns a vague “VPN conflict” into a reproducible problem and makes it possible to undo a change.
Rank #2
- Screen Cleaner is Your Screen’s New Bestfriend! - EVEO is proud to present a screen cleaner that’s perfectly suited for your TV. Meet your new screen cleaner, computer screen cleaner, laptop cleaner, iPad cleaner, Macbook,tv cleaner or any other electronic device. Our screen cleaner spray and wipe along with the included plush microfiber cloth, easily removes dust, fingerprints & other smudges on the screen’s surface. Clean effectively for a streak-free screen
- Gentle on your Screens - Our screen cleaner spray and wipes is compatible to be used even for the most sensitive LCD, LED, CRT, and OLED screens in proper use. Be at ease knowing that this product is compatible with all the major brands: LG, SONY, Samsung, Sharp, iPad, iPhone, Android screens, Kindle, PC monitors - we’ve got you covered! Can be used as LCD screen cleaner, tv cleaner, smart tv screen cleaner, and more
- Premium Super Soft Plush Microfiber Cloth - Included in this efficient screen cleaning kit. This screen cleaner spray and wipe has our signature plush microfiber cloth specially designed to comply with screens and monitors and leave them streak-free. Has been shown to effectively absorbs stubborn stains, zero streaks, and no fiber shedding. Always use this together with our screen cleaner for the best results
- Easy-to-Use Screen Cleaner Kit + microfiber cleaning cloth - The EVEO Screen Cleaning Kit will easily be your new favorite tool when it comes to taking care of the things you love most, quick and easy solution for a streak-free screen. Simply screw on the sprayer gun on the screen cleaner bottle. Spray the cleaning liquid onto the microfiber cloth, then wipe the screen until desired cleanliness & shine is achieved.
- Quality Screen Care Kit Worth Purchasing - Enjoy a convenient Screen Cleaner anytime, anywhere you need it. Your satisfaction is our top priority. We stand behind the quality of our products and that’s why, you shouldn’t be worrying at all. We manufacture the Best Screen Cleaner. and can be used for laptop cleaning kit, laptop screen cleaner, tv screen cleaner for smart tv. MacBook screen cleaner, monitor cleaner or screen cleaner spray for electronic devices with microfiber cleaning cloth
- Operating system and edition, including whether it is a consumer installation, server, or company-managed endpoint.
- VPN product and version, plus whether it is configured for full tunnel or split tunnel.
- Antivirus product and version, and the active provider shown by the operating system.
- The exact symptom: no internet, a blocked application, a warning, severe slowdown, a crash, or a blue screen.
- When the symptom began and whether it occurs only while the VPN is connected.
- Recent updates, new security software, policy changes, or network changes.
Update the VPN and antivirus through their normal supported channels, restart the device, and test again. There is no universal cross-vendor compatibility matrix; instructions for one product pair cannot be treated as a guarantee for another.
Use one supported real-time antivirus configuration
Running multiple third-party antivirus products with active, overlapping protection is a common source of contention. Broadcom’s Symantec support guidance states: “You should only run one antivirus program at a time.” Its explanation includes extra resource use, conflicts, false alerts, and reduced protection when products interfere with each other.
That statement is vendor-specific guidance about concurrent antivirus products. It should not be flattened into a claim that every second security tool must be removed in every Windows configuration. Windows manages Microsoft Defender’s state differently when another registered antivirus is primary, and enterprise products may support passive or on-demand modes. Verify the active provider and follow the exact vendor-supported arrangement.
What to do when two products are installed
- Identify the active real-time provider in the operating system.
- Read both vendors’ support guidance for your operating system and product versions.
- Put one product into the documented passive, disabled, or on-demand mode if that is the supported design.
- Uninstall a redundant product only through its normal removal procedure if the vendor requires removal.
- Restart and confirm the remaining product reports healthy, current protection.
Never leave all antivirus protection disabled as a permanent workaround. If a product must be removed, download or retain the installer and recovery information for the supported replacement first, and verify protection immediately after the change.
Configure the VPN without weakening antivirus coverage
Start with full-tunnel mode
For initial testing, use the VPN’s normal full-tunnel configuration. It gives you a clear baseline: traffic intended for the network goes through the VPN, and you can determine whether the conflict is caused by routing or by the antivirus and VPN applications themselves. Do not enable split tunneling merely because both products are installed.
Rank #3
- 【Large size】：Measuring 800 x 300 mm/ 31. 5×12 inches, which is wider and taller than others. Large mouse pad can perfectly fit your keyboard and mouse of any size, and there is also ample space for peripherals such as phones, tablets, etc.
- 【LED backlight mouse pad】：Blade Hawks RGB mouse pad provides 7 static modes and 7 dynamic modes will give you the options you are looking for. Power-off memory function remembers the last lighting mode you selected. The super glow fiber Chroma will give you a colorful gaming setup that you want.
- 【Anti-slip rubber base】：Made from Natural rubber, this gaming mousepad will firmly grip your desktop, allowing you to enjoy the ultimate precision in the games you are most passionate about. It also comes with a texture that enhances this ability even further.
- 【Smooth and waterproof surface】: Micro-textured cloth surface, for extremely precise mouse control and a smooth movement. When liquid splashes on the gaming mouse pad, it forms water droplets and slides down. Will not delay your work or gameplay.
- 【Plug and play】: This mouse and keyboard pad is powered by USB, plug and play, no driver required. One button control light modes. Press one time to change the lighting mode, press twice to change the brightness, press and hold about 3 seconds turn ON/OFF.
Use allow lists only when the vendor directs you
Some security products document an allow-list entry for their application when another antivirus or network filter blocks it. Malwarebytes, for example, identifies another antivirus stopping its application, internet loss, and Windows blue screens as possible compatibility symptoms and directs users to product-specific vendor instructions.
The Tool Desk
Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →An allow-list or exclusion changes what a security product inspects. Microsoft notes that exclusions can address some application compatibility or performance problems, but they are only one possible step. A Defender process exclusion can prevent network protection from inspecting that process’s traffic, reducing coverage for that process. Add an entry only when the vendor identifies the exact executable, service, or path and explains the residual risk.
- Confirm the blocked executable or service from the vendor documentation; do not exclude an entire drive or broad folder by guesswork.
- Record the original setting before changing it.
- Add only the narrowly scoped exception requested by the vendor.
- Restart the affected application or device, then test the original symptom.
- Check that antivirus and VPN status pages still report healthy protection.
- Remove the exception if it did not solve the problem or if the vendor later provides a different supported fix.
Do not disable firewalls as a first step
VPN clients and antivirus products may both install network-filter components. Turning off a firewall or network protection layer can hide the conflict while exposing the device. Prefer a documented application allow rule, driver update, passive mode, or supported route change. If a vendor support technician asks you to disable a protection temporarily for diagnosis, set a time limit and restore it immediately after the test.
Troubleshoot by symptom
No internet after connecting the VPN
- Disconnect the VPN and confirm whether ordinary internet access returns.
- Check the active antivirus under Windows Security → Virus & threat protection → Manage providers.
- Update both products and restart.
- Review the VPN’s connection log and the antivirus event history for a blocked driver, service, or executable.
- Test with the VPN’s default full-tunnel profile and without newly added custom routes.
- If the vendor documents an allow-list entry, apply only that entry and retest.
If a managed endpoint loses connectivity only when a corporate security agent and a personal VPN run together, stop changing settings and contact the administrator. A route that is correct for a personal device may violate the organization’s design.
The antivirus blocks or quarantines the VPN application
Do not restore a quarantined file simply because it is part of a VPN installation. Confirm the file path, digital signature, and product version using the VPN vendor’s support instructions. If the antivirus vendor identifies the file as a false positive and publishes an allow-list procedure, follow that procedure exactly. Otherwise, leave the detection in place and contact the relevant vendor.
Rank #4
- 【Softer and More Comfortable】Vaydeer wrist rest has unique diamond pattern, which is the combination of softness and aesthetics. The materials of wrist rest are improved into higher quality memory foam and covered with silky smooth lycra. The computer wrist rest makes you as comfortable and cushiony as like rest your wrists on clouds.
- 【Ergonomic Wrist Saver】The wrist rests for keyboard and mouse comes with a 17.32×3.15×0.83 inch keyboard wrist pad and a 5.94×3.15×0.83 inch mouse wrist support. Based on ergonomic design, the unique concave shape is the perfect fit for your wrist joints. The wrist rest pad fits most computer keyboards and laptops, improve hand and wrist posture, release your wrist and arm stress.
- 【Non-Slip Rubber Bottom】Featuring an anti-skid silicone base on the bottom, this wrist keyboard support stays firmly in place on your desk, preventing the padding from sliding around, ensuring stable and consistent wrist support during extended computer sessions.
- 【Better Experience & Pain Relief】Our keyboard arm rest is beneficial to alleviate the soreness caused by direct contact and friction between your arm and a hard desk surface, reducing the risk of wrist fatigue or carpal tunnel. The soft texture of memory foam can evenly distribute the pressure around your wrists and provide good support with just enough give.
- 【Helpful in Multiple Scenarios】Whether you're working, studying, writing, typing, gaming, this keyboard and mouse rest combo is an essential accessory to add comfort and support to your hands and wrists. It’s also a great gift for men, women, family, friend, coworker, gamer, teacher, etc.
The connection is much slower
First establish whether the slowdown appears only with the VPN connected. Test a nearby VPN endpoint, then test the default full-tunnel profile. Check CPU and memory use from both applications and look for repeated antivirus scans or update activity. Do not infer a universal VPN speed penalty: performance depends on the network, endpoint, encryption path, scanning workload, and product implementation.
Windows crashes or shows a blue screen
A blue screen is a reason to stop experimenting with random exclusions. Record the stop code, time, VPN and antivirus versions, and any recent driver update. Disconnect the VPN, reboot, and use each vendor’s support process for network-filter or antivirus driver conflicts. Keep both products updated and restore a supported configuration rather than leaving a protection layer disabled.
An application works only when antivirus protection is off
Re-enable protection and identify the exact process or network component involved. Ask the vendor whether a narrowly scoped exclusion or passive mode is supported. A broad exclusion may make the application work while allowing malicious activity through the same process, so treat it as a last-resort, documented change and reassess it after updates.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Understand split tunneling before enabling it
Split tunneling sends selected traffic through the encrypted VPN while allowing other traffic to use the ordinary connection. Cisco describes it as “a traffic management feature, not a security feature.” Traffic outside the tunnel is not encrypted by that VPN.
Use split tunneling only when you can name the routing requirement, such as reaching a local device while sending work traffic through a corporate VPN. Define which destinations or applications bypass the tunnel, document the rule, and verify the resulting routes. Do not use it as a generic fix for antivirus coexistence.
Best Value
- 【No Drill Mounted】Cable management tray can be assembled in as little as 3 minutes or less-simply. Side clips easily clampe the edge of desk, pass through the holes on the sides, and secure excess cables with baskets. Desk cable management supports inward or outward installation to meet your needs in different scenarios, and provides you with great convenience when collecting and organizing wires.
- 【Rubber Pad Protects Desk】Wire organizer under desk built-in soft rubber pads on the clamp protect your desk from scratches, so you will not damage your furniture or office.
- 【Sturdy and Beautiful】Cord management under desk is made of high-quality carbon steel and holds about 15 lbs. The wire basket has 2 holes on each side of the tray to enable your cables to pass freely. Cable baskets are suitable for desk thickness use from 0.4" to 2.4".
- 【Space Saving & Keep Organized】Desk cable management tray holds all your power cords, outlet strips, USB hubs and computer transformers hidden from your feet, and the data cables will not enter the vacuum cleaner to keep your desk clean and tidy. Desk wire organizer is also suitable for use in the kitchen and outdoors.
- 【Reduce Safety Risks】Cable tray under desk keeps all plugs away from your kids, no more worry about tripping. Using 2 holes wire tray saves extra space, helps you easily cabling and wire protection. The mesh design is not easy to accumulate dust, but avoids safety accidents caused by messy wires.
Broadcom gives an enterprise example in which traffic from its WSS Agent, Symantec Endpoint Protection client in tunnel mode, or Endpoint Security Agent should go directly to the internet rather than through another VPN client. Its recommendation is product-specific: direct routing through a split tunnel or use of a supported passive mode under a full-tunnel VPN. That guidance does not establish a safe setting for unrelated home VPN or antivirus products.
Split-tunnel decision checklist
- Need: Can you state exactly which traffic must bypass the VPN?
- Security: Is the bypassed traffic acceptable without that VPN’s encryption?
- Policy: Does an employer require all traffic to use a corporate tunnel?
- Support: Do the VPN and security vendors document the route?
- Verification: Can you test the route and confirm which endpoint receives each connection?
Personal devices and workplace-managed devices require different decisions
On a personally owned device, you control the software but still need to keep one supported real-time antivirus configuration and follow vendor instructions. On a workplace-managed device, the organization may enforce VPN profiles, endpoint agents, firewall rules, DNS settings, and traffic routes.
Microsoft does not recommend using a personal VPN on a work-managed device because it can conflict with organizational policies. Ask IT before installing one, changing split-tunnel rules, adding exclusions, or switching an enterprise security agent into passive mode. The administrator may have a sanctioned route or profile that provides the required access without bypassing inspection.
Recommended Free Tools
Enterprise recommendations are not interchangeable with consumer advice. A Broadcom configuration for a named security agent and tunnel mode applies to that supported product combination, not to every endpoint agent.
Restore a clean, protected configuration
If troubleshooting does not resolve the issue, return to the last supported state instead of accumulating exceptions.
- Remove experimental exclusions, custom routes, and temporary firewall changes.
- Re-enable the documented active antivirus protections.
- Confirm the operating system reports one intended real-time antivirus provider.
- Set the VPN back to its supported default tunnel mode.
- Restart and test ordinary internet access, antivirus updates, a known-safe download, and the VPN connection separately.
- Collect logs and versions, then contact the VPN or antivirus vendor with the exact symptom and reproduction steps.
Keep a written record of any exception that remains: the affected executable or route, who authorized it, why it exists, and when it should be reviewed. Remove it when an update or vendor fix makes it unnecessary.
Important Microsoft Defender VPN clarification
Microsoft’s support FAQ says its Privacy Protection VPN for individuals ended support on February 28, 2025. The same material describes a 50 GB monthly per-user allowance for that former service. Those figures describe a discontinued Microsoft feature, not a current general VPN offer and not the availability of third-party VPN products. Do not use that service status to infer how another VPN behaves with Defender or another antivirus.
Do these 3 things before closing this tab:
1Scan for outdated or missing drivers - takes under a minute2Clear out junk files and repair common Windows errors3Fix the driver behind crashes, sound loss and screen glitchesQuick Recap
Common mistakes to avoid
- Assuming two antivirus icons mean two active protections: verify the registered provider and protection state.
- Disabling antivirus permanently to make the VPN connect: diagnose the specific driver, process, or route instead.
- Adding broad exclusions: narrow the exception and understand what inspection it removes.
- Turning on split tunneling for convenience: identify the traffic that will bypass encryption first.
- Applying consumer steps to a server: use server-specific deployment and passive-mode requirements.
- Changing a company device without approval: follow IT policy and the organization’s VPN profile.
- Assuming compatibility from another product pair: check current documentation for the exact versions and operating system.
Final verification checklist
- The operating system identifies the intended active antivirus.
- Real-time protection is enabled in the supported mode; any second product is passive or on-demand as documented.
- The VPN connects using a documented profile and the intended full- or split-tunnel routes.
- Traffic that bypasses the VPN is known and acceptable.
- No unexplained firewall, driver, or process exclusions remain.
- Updates complete successfully for both products.
- The original symptom is gone without sacrificing required protection.
- On a managed device, the configuration has been approved by IT.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
