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 listChecklist to Diagnose Chrome Profile High CPU Usage
If Chrome is using 90%–100% of your CPU even with just a few tabs open, the problem is often the ...
How to Fix a Microsoft Store App That Won't Download
You click install on a Microsoft Store app, but the download never starts, stalls at 0%, or fails...
Fix PowerShell Connection Refused or Permission Denied Errors
When you see Connection refused or Permission denied in PowerShell, it ...
Microsoft Teams Connection Refused: Step-by-Step Troubleshooting
When you see a 'connection refused' error in Microsoft Teams, it usually means the app can't reac...
Fix Chrome Token Expired After Password Change
After changing your password for a web service, Chrome may show an error like “token expired” or ...
Topic paths
Quick titles
Outlook PST File Locked by Another ProcessFix Windows Defender Security Center Not OpeningCommand Prompt Guide: Find Which Process is Using a PortCommand Prompt Settings Not Saving: How to FixFix kubectl Connection Refused on WindowsWindows 10 Search Indexer Memory Leak FixFix 'File Locked by System Process' in Windows 10 SearchFix Chrome Error 12 When Updating