Fix 'File Locked by Unknown Process' in Command Prompt
You try to delete, rename, or move a file, but Windows says it's locked by an unknown process. Th...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Chrome ERR_SSL_PROTOCOL_ERROR
You try to open a website in Chrome and see ERR_SSL_PROTOCOL_ERROR. The page won...
Fix Windows Defender Error 502 Bad Gateway
You open Windows Security and see 'Error 502 – Bad Gateway.' This usually means Windows Defender ...
How to Fix PowerShell Rate Limit Errors During Setup
When you run a PowerShell script that calls an external API—like a cloud service, a CI/CD pipelin...
How to Fix OpenVPN Certificate Verification Failed
You see "certificate verification failed" when connecting to an OpenVPN server. This usually mean...
Fix Chrome Extension Permission Denied Error 0x80070005
When installing or updating a Chrome extension, you may see error code 0x80070005 with a message ...
Issue queue
SitemapTask Scheduler CPU Spike Troubleshooting Guide
Stop Chrome Asking to Sign In Again – Sync Error Fix
How to Force Reset Command Prompt Settings
Windows Defender Not Showing in Settings After Update
How to Restart Windows Security After a Failed Update
PowerShell Authentication Failed: Certificate Fix
Manual Malware Scan When Defender Won't Start
Resolve kubectl Connection Refused Error
Troubleshooting Windows Activation Server Connection Issues
Chrome 404 Error Troubleshooting Guide
Resolve Windows Task Scheduler Error 101
How to Unlock a File in Microsoft Teams
Stop Chrome Asking to Sign In Again – Sync Error Fix
How to Force Reset Command Prompt Settings
Windows Defender Not Showing in Settings After Update
How to Restart Windows Security After a Failed Update
PowerShell Authentication Failed: Certificate Fix
Manual Malware Scan When Defender Won't Start
Resolve kubectl Connection Refused Error
Troubleshooting Windows Activation Server Connection Issues
Chrome 404 Error Troubleshooting Guide
Resolve Windows Task Scheduler Error 101
How to Unlock a File in Microsoft Teams