Fix 'Windows Security Failed to Start Access Denied' Error
You click on Windows Security and see 'Windows Security failed to start. Access denied.' This usu...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Update Error 0x80073712
You see error 0x80073712 when checking for Windows updates. It usually means a system file is mis...
Fix Remote Desktop 504 Gateway Timeout on Windows 10
If you see a "504 Gateway Timeout" error when connecting to a remote desktop on Windows 10, the c...
Fix Microsoft Teams 404 Not Found Error When Loading Apps
You click an app in Microsoft Teams and see a '404 Not Found' page instead of the app loading. Th...
Fix 'Connection Refused' Error in Windows Security for Remote Desktop
When you try to connect to a remote PC via Remote Desktop and get a 'connection refused' error fr...
Windows Defender File Locked: How to Fix It
You try to edit, move, or delete a file and Windows says it's open in Windows Defender. This can ...
Topic paths
Quick titles
Troubleshoot Windows Terminal Proxy 407 ErrorOutlook PST File Locked by Windows SharingBitLocker Decryption Slow on SSD: Causes and FixesBitLocker Dependency Conflict: Fix Sync IssuesResolve Windows Terminal Dependency ConflictsFix Windows 10 Activation Proxy Error: Step-by-Step GuideRestore Windows Terminal to File Explorer Right-Click MenuGitHub Actions Permission Denied Error Guide