Fix Windows Security Auto Start Registry Settings
If Windows Security (formerly Windows Defender) isn't starting automatically when you boot your P...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Windows Defender Rate Limit Error
If Windows Defender shows a rate limit error, it usually means the antivirus service is overwhelm...
Enable Windows Search Indexing When Paused
You open Search or indexing options and see 'Indexing paused' with no obvious way to resume. This...
How to Fix 'Command Not Found' in PowerShell Terminal
When you type a command in PowerShell and see command not found or is not reco...
BitLocker Not Working on System Drive: Fix Guide
If BitLocker won't turn on, keeps asking for a recovery key, or shows errors on your C: drive, yo...
Troubleshoot 504 Gateway Timeout in Windows Security App
When you open Windows Security (formerly Windows Defender Security Center) and see a 504 ...
Topic paths
Quick titles
How to Clear Windows Defender Cache with a ToolFix Command Prompt Proxy Errors on Windows 10Windows Update Stuck at 100%? Try These FixesHow to Fix Postman Self-Signed Certificate ErrorHow to Fix PowerShell Execution Policy HangHow to Exclude Network Drives from Windows Defender ScanningWindows Update Not Working Due to Rate LimitFix Remote Desktop Error 0x8007042c: Service Unavailable