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Clear out junk files and repair common Windows errorsFree Scan →Scan for outdated or missing drivers - takes under a minuteDriver Scan →Repair Windows errors before they cause bigger problemsFix Now →When WordPress displays an error, the message is a clue—not always a diagnosis. Start by noting the exact wording, affected pages, whether /wp-admin still opens, and what changed shortly before the problem began. Then use the least disruptive check that fits the symptom; database, PHP, filesystem, or server problems may require help from your hosting provider.
Start with the symptom, access, and timing
Before changing settings or files, record the complete error message and whether it affects one page, the whole site, or only the dashboard. Check whether the public site and /wp-admin are reachable. Note any recent WordPress, plugin, theme, or PHP update. A change immediately before an error is useful evidence, but does not prove that it caused the problem.
These details help distinguish a WordPress-level issue from one controlled by the host. A plugin or theme can conflict with PHP or other components; a server outage, database quota, PHP setting, or filesystem permission may be outside the site administrator’s control. WordPress’s troubleshooting guidance and Site Health documentation cover these categories without implying that one error label has only one cause.
“The White Screen of Death”
A blank page is a symptom, not a diagnosis. PHP or database errors can both result in a blank screen, and a plugin or theme problem is one possible cause. WordPress’s guide to common errors recommends checking plugins and themes among the troubleshooting steps.
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- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
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If the dashboard works
Use the dashboard to investigate suspected plugins or themes. Deactivate a suspected plugin or switch temporarily to a default theme, changing one thing at a time where practical so you can identify whether the symptom changes. If the site recovers, that narrows the investigation but does not by itself establish the underlying compatibility or configuration cause.
If the dashboard does not work
The WordPress troubleshooting FAQ describes using a file manager or FTP to deactivate plugins when the dashboard is unavailable. These changes affect site files, so take care and reverse them once you have identified the issue. Database-based changes require familiarity with phpMyAdmin; if you are not comfortable making them, ask your host or a developer rather than experimenting directly.
“Error Establishing Database Connection”
First check the database name, username, password, and host specified in wp-config.php. A mismatch in any of these settings can prevent WordPress from connecting. The WordPress common-errors guide also identifies database quota and server availability as possible host-side issues.
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- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
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- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
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Compare the database name, username, password, and host in
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If those values are correct, contact your hosting provider and ask whether the database server is available and whether the account has reached a database quota.
Do not assume that repeatedly changing credentials will help: if the server is unavailable or a quota has been reached, the host must address the relevant issue.
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
“There has been a critical error on this website”
This message indicates a fatal PHP error, but does not identify its cause on its own. WordPress lists plugin or theme incompatibility, PHP incompatibility, memory limits, and corrupted files among possible causes in its common-errors documentation.
Check for Recovery Mode access
Look in the administrator email account for a Recovery Mode message and follow its instructions if available. Recovery Mode may let you access the dashboard by pausing a faulty plugin or theme for that administrator session. It is a way to regain access and investigate, not a permanent repair of the cause. See WordPress’s Recovery Mode documentation.
Use error details privately
If you need a debug log, inspect it privately and avoid displaying errors to site visitors. WordPress warns in its Site Health documentation that publicly displayed errors or an exposed log can reveal sensitive information. Site Health’s Status tab can also surface configuration, server, and permission issues; WordPress describes it as showing critical configuration information and items needing attention.
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- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Permalink and custom post type 404 errors
If a page or custom post type URL returns a 404 even though the content exists, refresh the rewrite rules by opening Settings → Permalinks in the dashboard and saving the settings. WordPress includes this step in its troubleshooting guidance.
For a custom post type, also check whether its slug conflicts with another page or route. If the settings refresh does not resolve the issue, rewrite support may depend on the web server configuration; ask your host about it rather than assuming the WordPress setting is the only cause.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.“Briefly unavailable for scheduled maintenance” after an update
An interrupted update can leave WordPress showing its maintenance message. The WordPress troubleshooting FAQ provides a specific remedy for this situation. First confirm that the update has stopped and check the site’s update state; do not remove maintenance artifacts while an update is still running. If you are unsure whether the process is complete, ask your host or developer before changing files.
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- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
When to involve your hosting provider
Some errors cannot be fixed from WordPress settings alone. Contact the host when the evidence points to a database outage or quota, a PHP or web-server setting, or filesystem permissions. Site Health can help identify configuration, server, and permission concerns, but the host may control the setting that needs attention.
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Likely site-level investigation: a problem began after a plugin or theme change, and the dashboard or Recovery Mode is available for testing.
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Likely host-side investigation: database credentials appear correct but the connection still fails, Site Health flags a server or permission issue, or a rewrite/PHP setting appears to be involved.
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Escalate carefully: if neither the dashboard nor file access is available, or a repair would require direct database edits, seek host or developer assistance instead of making blind changes.
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