If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track. Run the System File Checker tool (SFC.exe)

Windows 11 Windows 10. Try running the compatibility troubleshooter: In the search box on the taskbar, type Run programs made for previous versions of Windows and select it in the results. Select Next, select the program you're having trouble with, then select Next again.

If the Get Help app is unable to resolve your sound or audio issue, try the possible solutions listed: Windows 11 Windows 10. 1. Check your speaker output. 2. Run the audio troubleshooter. 3. Verify that all Windows Updates are installed. 4. Check your cables, plugs, jacks, volume, speaker, and headphone connections. 5. Check sound settings. 6.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

What it fixes. The troubleshooter helps fix problems that: Corrupt registry keys on 64-bit operating systems. Corrupt registry keys that control the update data. Prevent new programs from being installed. Prevent existing programs from being completely uninstalled or updated.

If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version. Previous versions are copies of files and folders that Windows automatically saves as part of a restore point.

If you receive Windows Update error 80070422 when you download the WinHlp32.exe update, you may have to change the Windows Update service settings, and then restart the service. To do this, follow these steps: Click Start, and type Services in the Start Search or Search Programs and files text box. Double-click Services from the Programs list.

Fixes an issue in which you receive an access denied error. This issue occurs when you install update 2919355 or a security update in Windows 8.1 or Windows Server 2012 R2.

A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive. You might be prompted for the BitLocker recovery key during startup, due to a security risk or hardware change:

This update improves the Windows 10, version 2004, 20H2, 21H1, and 21H2 out-of-box experience (OOBE) by providing eligible devices the option to upgrade to Windows 11 as part of the OOBE process. If the upgrade to Windows 11 is chosen, the upgrade process will begin shortly after OOBE is completed.