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Fix Windows Defender Version Mismatch Permission Denied Error

You might see a 'version mismatch' or 'permission denied' error when trying to update or run Wind...

Fix Windows Defender Token Expired Registry Error

If you see an error like "Token expired" in Windows Security or Event Viewer, it usually...

Fix Command Prompt Restore Backup Error 0x80070002

When using the command prompt to restore a backup, you may encounter error 0x80070002. This error...

Enable Windows Security Manually When It Fails to Start

If Windows Security (formerly Windows Defender) fails to start, you may see an error like "This a...

Fix 'PowerShell Is Not Recognized' Error on Windows

You type a PowerShell command in Command Prompt or a script and see: 'powershell' is not re...

How to Fix Windows Activation Backup Restore Not Working
If you've backed up your Windows activation status and later the restore fails, you're not alone....