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 notesFixing Windows Security Proxy Configuration Issues
When Windows Security (formerly Windows Defender Security Center) can't update virus definitions ...
MySQL Connection Refused on Port 3306: Causes and Fixes
If you're seeing "connection refused" when trying to connect to MySQL on port 3306, the MySQL ser...
Fix Windows Activation Gateway Timeout on a Domain Network
You might see a Windows activation error like "We can't activate Windows on this device because t...
How to Run Command Prompt as Administrator
Many Windows commands require administrator privileges. If you try to run a command that needs el...
Fix PowerShell Settings Reset After Windows Update
After a Windows update, you may find that your PowerShell settings—such as execution policy, prof...
Issue queue
SitemapSetup Windows Update via Command Line: Command Not Found Error
Fix Windows Terminal Configuration Not Sticking
Resolve Remote Desktop Access Denied in Group Policy
Resolve Microsoft Teams 504 Error Code
PostgreSQL Remote Connection Refused: Step-by-Step Fix
Go Modules Cache Troubleshooting Guide
BitLocker Access Denied After Password Change: How to Fix
Troubleshoot Chrome Update Error Code 4
Fix Outlook Offline Installer Setup on Windows 11
Fix Dependency Conflicts When Microsoft Store Games Won't Launch
Fix Git Clone SSH Permission Denied (Publickey) on Windows
Setting Up and Fixing Ubuntu Bash Prompt
Fix Windows Terminal Configuration Not Sticking
Resolve Remote Desktop Access Denied in Group Policy
Resolve Microsoft Teams 504 Error Code
PostgreSQL Remote Connection Refused: Step-by-Step Fix
Go Modules Cache Troubleshooting Guide
BitLocker Access Denied After Password Change: How to Fix
Troubleshoot Chrome Update Error Code 4
Fix Outlook Offline Installer Setup on Windows 11
Fix Dependency Conflicts When Microsoft Store Games Won't Launch
Fix Git Clone SSH Permission Denied (Publickey) on Windows
Setting Up and Fixing Ubuntu Bash Prompt