What’s actually slowing this PC down?
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Start with Microsoft’s automated Windows Update troubleshooter in the Get Help app. If the update still fails, note its exact error code, check Microsoft’s guidance for that code, and try the least disruptive relevant fix. Back up personal files before advanced troubleshooting.
Start with the Windows Update troubleshooter
Open the Get Help app and run its automated Windows Update troubleshooter. Microsoft says it checks for common problems and attempts to fix them. If it does not resolve the failure, use the error code and steps below to narrow down what to try next. See Microsoft’s Windows Update Troubleshooter.
You can also start it from Settings: go to Start > Settings > System > Troubleshoot > Other troubleshooters > Windows Update > Run. Restart the PC when prompted, then check for updates again.
Find the error code and check basic causes
Open Settings > Windows Update > Update history and write down the full error code next to the failed update. Microsoft’s Windows upgrade and installation error guide and Windows Update troubleshooting guide describe common codes and possible remedies. A code can point toward a permissions, file, storage, service, or driver issue, but it is not a guaranteed diagnosis.
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- Confirm the PC is connected to the internet, then restart it once and try the update again.
- Check available storage. An update may need more free space than is currently available; follow the instructions for the specific error rather than assuming one universal space requirement.
- If the code or Microsoft’s instructions point to an update service, check whether the relevant Windows Update services are running. Avoid changing services without a reason tied to the error.
- If the problem happens during a download or installation, note whether it remains at 0% or 100% and how long it has been there. Use the code and Microsoft’s guidance rather than treating the percentage alone as a diagnosis.
Microsoft’s broader troubleshooting guidance includes steps for specific error cases. Do not routinely disable antivirus or other security protection as an early fix. If Microsoft’s instructions for your particular error call for temporarily changing protection, understand the risk, restore protection promptly, and avoid browsing or downloading files while it is disabled.
Back up files before advanced repairs
Before trying more involved troubleshooting, copy important personal files to a separate location. Microsoft Support’s Windows update troubleshooting article says: “Before trying any of the solutions below, make sure you back up your personal files.” You can use an existing external drive or a backup option available to you. A USB flash drive is optional; it is useful only if you need removable storage for a copy of your files, not as a fix for the update error.
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Repair Windows system files if corruption is suspected
If the error guidance points to missing or corrupted system files, Microsoft documents DISM and System File Checker (SFC) as built-in Windows repair utilities. Run these commands in an elevated Command Prompt, in this order:
- Right-click Start, choose Terminal (Admin) or Windows PowerShell (Admin) if shown, and approve the User Account Control prompt. In the administrator window, open Command Prompt if needed.
- Enter
DISM.exe /Online /Cleanup-image /Restorehealthand press Enter. Wait for it to finish. - Enter
sfc /scannowand press Enter. Let the scan complete, then restart Windows and try Windows Update again.
These commands are included in Microsoft’s System File Checker instructions and its update troubleshooting guidance. DISM may need files from Windows Update as a repair source; if Windows Update itself is not working, that source dependency can affect the repair. Follow any error message or Microsoft guidance for the specific DISM failure rather than repeatedly running the same command.
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Choose a recovery option based on what changed
Use recovery only after the less disruptive, relevant steps have failed. These options differ in when they apply and how broadly they affect Windows.
| Option | When it fits | Effect and availability |
|---|---|---|
| Uninstall a recent update | The problem began immediately after a particular update was installed. | Removes the selected recent update. Microsoft lists this as a recovery option; see Recovery options in Windows. |
| Fix problems using Windows Update | Windows Update or Windows components remain persistently problematic, and the option is available on the PC. | Reinstalls the current Windows version while preserving personal files, apps, and settings. Availability varies by Windows 11 version and device. See Microsoft’s instructions for reinstalling the current version. |
| Reset or clean installation | More targeted recovery has not resolved the problem, or other serious Windows issues require a broader repair. | More disruptive than removing one update or reinstalling the current version while retaining apps and settings. Check Microsoft’s recovery instructions and back up files before proceeding. |
Uninstall an update that triggered the failure
If the issue started after a specific update, open Settings > Windows Update > Update history > Uninstall updates, select the relevant update if it is listed, and choose Uninstall. The available entries and exact controls may vary. Do not remove updates at random; use this route when timing makes a particular update a plausible trigger. Microsoft explains this and other recovery paths in Recovery options in Windows.
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Reinstall the current version through Windows Update
On supported Windows 11 installations, look under Settings > System > Recovery for Fix problems using Windows Update, then choose the option to reinstall. Microsoft says this reinstalls the current version and preserves personal files, apps, and settings. If the option is absent, it may not be available for that Windows version or device. Follow Microsoft’s reinstallation instructions for prerequisites and the current interface.
Reserve reset or clean installation for broader failures
A reset or clean installation is not the first step for a single failed update. These are broader recovery routes; consult Microsoft’s recovery options to understand the available choices and their effects before proceeding.
Quick Recap
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- Enhanced Functionality: Packed with handy features, including a 5x9" precision tracking mouse pad and a built-in phone slot for seamless work or video calls. Plus, enjoy laptop support with the integrated device ledge.
- Cool Comfort: Enjoy a stable surface with our lap desk's dual bolster cushion, designed for comfort and airflow, keeping your lap cool during extended use.
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