Windows Security 502 Bad Gateway: Troubleshooting Checklist
If you see a 502 Bad Gateway error when opening Windows Security, it usually means the app can't ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
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Cause
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Fresh repair notes
All notesFix '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...
Fix Windows Security High CPU Usage During Malware Scans
You run a malware scan in Windows Security (formerly Windows Defender) and notice your CPU fan ra...
Fix Task Scheduler Access Denied After Windows Update
After a recent Windows update, you may see "Access Denied" when trying to create, modify, or run ...
Fix Windows Terminal Hanging on Startup
Windows Terminal hangs on startup—you click the icon, the window appears but stays frozen or whit...
Chrome Backup File Location Not Found: How to Fix
You're trying to restore a Chrome backup, but the file location isn't found. This often happens w...
Issue queue
SitemapHow to Get Chrome Working Again After a Windows 10 Update
Fix Chrome 'Connection Refused' Error by Clearing Cache
Windows Port Release Using netstat and taskkill
Fix Endless Checking for Updates in Windows 10/11
Certbot Renewal Configuration Troubleshooting
Command Prompt Cache Cleanup Windows 11 Guide
Fix Windows Terminal Slow Performance in VS Code
Fix Chrome Profile 404 Error via Command Line
How to Resolve Outlook Network Connection Error
Windows Security Token Configuration Fix Guide
Windows Defender DNS Error Quick Fix
Windows Security Version Mismatch Troubleshooting
Fix Chrome 'Connection Refused' Error by Clearing Cache
Windows Port Release Using netstat and taskkill
Fix Endless Checking for Updates in Windows 10/11
Certbot Renewal Configuration Troubleshooting
Command Prompt Cache Cleanup Windows 11 Guide
Fix Windows Terminal Slow Performance in VS Code
Fix Chrome Profile 404 Error via Command Line
How to Resolve Outlook Network Connection Error
Windows Security Token Configuration Fix Guide
Windows Defender DNS Error Quick Fix
Windows Security Version Mismatch Troubleshooting