Fix problems that block programs from being installed or removed
Fix printer problems in Windows 7 and Windows 8.1. The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.
Use the System File Checker tool to repair missing or corrupted system ...
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)
Find your BitLocker recovery key - Microsoft Support
Find your BitLocker recovery key. Windows 11 Windows 10. 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.
Add an exclusion to Windows Security - Microsoft Support
If you trust a file, file type, folder, or a process that Windows Security has detected as malicious, you can stop Windows Security from alerting you or blocking the program by adding the file to the exclusions list.
Remove malware from your Windows PC - Microsoft Support
Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.
Applies To: OneDrive (home or personal), OneDrive for Windows
Troubleshooting tips for installing and updating Microsoft Edge
If you run into problems downloading, installing, or updating the new Microsoft Edge , here are a few things you can try. The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn’t. 1. Check your operating system.
Protect your PC from potentially unwanted applications
Windows Security has reputation-based protection that can help protect your PC from potentially unwanted applications. Potentially unwanted app blocking was first introduced in the Windows 10 May 2020 update and is turned off by default for enterprise and consumer customers.
Block pop-ups in Microsoft Edge - Microsoft Support
How to block pop-ups in Microsoft Edge. In Edge, go to Settings and more at the top of your browser. Select Settings > Cookies and site permissions. Under All permissions, select Pop-ups and redirects. Turn on the Block (recommended) toggle.
Applies To: Microsoft account dashboard
Create installation media for Windows - Microsoft Support
You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.
Recovery options in Windows - Microsoft Support
Your PC isn't working well and you recently installed an app. Restore from a system restore point. You suspect your device has been infected. Use installation media to reinstall Windows 11. Select one of the recovery options below and follow the steps to try to get things working again.