How to Reinstall Windows Defender After Error 404
If you see a 404 error when trying to open Windows Defender, it usually means the app's files are...
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All notesFix Windows Security Auto-Start Permission Denied Error
You might see a 'permission denied' error when Windows Security (Windows Defender) fails to start...
Fix MySQL Access Denied for User with GRANT Command
You're logged into MySQL as root or another user, but when you run a GRANT command, ...
How to Remove the Ubuntu dpkg Lock File
When you see an error like 'E: Could not get lock /var/lib/dpkg/lock' or 'E: Unable to lock the a...
Fix Windows Defender 404 Error in Command Prompt
When you try to run Windows Defender commands from Command Prompt and get a '404 Not Found' error...
Fix Windows Defender Permission Denied Error on Mac
If you're running Windows Defender on a Mac via virtualization or dual-boot and encountering a 'p...
Issue queue
SitemapWindows Defender Version Mismatch Fix (0x80070643)
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Fix Windows Activation Port 1688 Already Allocated Error
How to Unstick Windows Update at 30% Migration
Troubleshooting Go Proxy Connection Refused on Setup
Windows Activation Proxy Error: Complete Troubleshooting Checklist
Cannot Access Outlook Data File: Sync Troubleshooting
How to Fix Firefox Secure Connection Failed Error
Fix Windows Update Rate Limit Errors via Network Configuration
How to Fix Stuck Microsoft Store Cache Clear
Windows Error 0x80070002 Dependency Conflict Fix
How to Fix DNS Permission Denied in Windows Defender