Fix Windows Defender Error 0x80073b01 (Crash on Startup)
If Windows Defender crashes on startup with error code 0x80073b01, the antivirus service may be f...
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Browse labWindows Defender Exclusions for Gaming Performance
If your games stutter, take long to load, or feel sluggish, Windows Defender might be scanning ga...
How to Fix Windows Defender Authentication Failed Error
If you see "Authentication failed" when opening Windows Defender or trying to run a scan, it usua...
Fix Windows Search Update Permission Denied Error
You try to update Windows Search, but get a 'permission denied' message. This usually happens whe...
Windows Search Setup Guide for Beginners
If you've just installed Windows or are finding that search is slow or missing files, this guide ...
Fix Windows Security 502 Bad Gateway Sync Error
You open Windows Security and see a 502 Bad Gateway error when it tries to sync. This usually mea...