How to Fix 'File Locked by System' in Windows Defender
If you see an error like "File locked by system" when running a Windows Defender scan or trying t...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Activation SSL Certificate Error After System Restore
After performing a system restore, some users encounter an SSL certificate error when trying to a...
OneDrive Sync Troubleshooting: Fix Common Issues
OneDrive sync problems usually show up as a stuck status, error icons, or files not updating. Thi...
Fix Microsoft Store Authentication Failed Due to App Permissions
You try to sign in to the Microsoft Store and see "Authentication failed" or "Something went wron...
Fix PowerShell Login Loop Error 0x80070002
If you're stuck in a login loop after signing into Windows, and PowerShell or other system compon...
Fix slui.exe High CPU Usage During Windows Activation
If you notice your CPU pegged at 100% while trying to activate Windows, slui.exe (Software Licens...
Topic paths
Quick titles
Fix Windows Terminal Blank Screen in VS Code IntegrationRate Limit Error in Command Prompt: Common Causes and FixesHow to Fix PowerShell Execution Policy HangFix Windows Terminal Network Error After UpdateHow to Configure Task Scheduler Rate LimitsHow to Resolve Activation Authentication Failed in Windows 10Chrome Profile Configuration: How to TroubleshootMicrosoft Store 0x80073cf0 Troubleshooting Guide