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 notesFix Microsoft Store Ubuntu Snap Not Working
You installed Ubuntu from the Microsoft Store, but the snap command isn't working. This usually a...
Fixing Windows Security Connection Timeout Error 0x800705b4
If you see error code 0x800705b4 when opening Windows Security or trying to run a scan, it usuall...
How to Fix DNS Errors When Setting Up Outlook
You're trying to add an email account to Outlook and get a DNS error—something like 'The connecti...
Fix Command Prompt High CPU Usage on Windows 7
If you notice your Windows 7 system slowing down and Task Manager shows cmd.exe using high CPU, i...
How to Fix Windows Activation Not Working on Ubuntu
If you're running Windows on a machine that also has Ubuntu, you may see an activation error. Thi...
Issue queue
SitemapResolve Port 80 Error in Windows Search Indexing
Fix 'Port Already in Use' Error in Windows Terminal PowerShell
Fix Windows Defender Error 502 Bad Gateway
How to Fix 404 Not Found Error in CMD
How to Set Up Remote Desktop Through a Proxy Server
Windows Search 504 Error After Network Reset
Windows Search 504 Gateway Timeout: Troubleshooting Checklist
SSL Certificate Fix for Remote Desktop 404 Error
Fix Outlook SMTP Server Not Responding Error
Remote Desktop Slow Performance Troubleshooting Guide
Troubleshooting Windows SFC Error 0x80073712
How to Fix 'remote desktop command not found' on Linux
Fix 'Port Already in Use' Error in Windows Terminal PowerShell
Fix Windows Defender Error 502 Bad Gateway
How to Fix 404 Not Found Error in CMD
How to Set Up Remote Desktop Through a Proxy Server
Windows Search 504 Error After Network Reset
Windows Search 504 Gateway Timeout: Troubleshooting Checklist
SSL Certificate Fix for Remote Desktop 404 Error
Fix Outlook SMTP Server Not Responding Error
Remote Desktop Slow Performance Troubleshooting Guide
Troubleshooting Windows SFC Error 0x80073712
How to Fix 'remote desktop command not found' on Linux