Fix Windows Update SSL Certificate Error 0x80072f0d
You see error 0x80072f0d when checking for Windows updates. The system cannot verify the update s...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix 504 Gateway Timeout After Windows Update
After installing a recent Windows update, you might see a 504 Gateway Timeout error when browsing...
Fix Windows Activation Service Unavailable Error
You try to activate Windows, but see 'Activation service unavailable' or 'We can't activate Windo...
Fix Windows Defender Proxy Error: Configuration Guide
You open Windows Security and see a yellow warning: "Your IT administrator has limited access to ...
How to Fix a File Locked by Windows Security in Windows 10
You try to open or run a file, and Windows Security blocks it with a message like "Windows protec...
Remote Desktop Cache Troubleshooting Checklist
When remote desktop connections fail or behave oddly, the problem is often a stale or corrupted c...
Topic paths
Quick titles
How to Resolve Windows Search 404 Not FoundBitLocker Connection Refused Fix Guidenpm Permission Denied: Fix EACCES Cache and Global InstallOneDrive Terminal Command Missing FixHow to Fix Windows Terminal Proxy IssuesFix 'Chrome Profile Path Not Found' or 'Missing Profile' ErrorFix Chrome Crashing After Update: 5 StepsHow to Resolve Microsoft Store App Version Mismatch