Windows Defender Proxy Error: Setup Checklist for Fix
You're running Windows Defender and it throws a proxy error—often during an update or a full scan...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesWindows Update Stuck at 0%: Practical Fixes
You click 'Check for updates' and see 'Downloading – 0%' for ten minutes or more. This is a commo...
Fix PowerShell Backup Restore Permission Denied Errors
You run a PowerShell restore script and get 'Access Denied' or 'Permission Denied' errors. This i...
Windows Terminal Troubleshooting Checklist
Windows Terminal can sometimes misbehave: profiles fail to load, the window won't open, or settin...
Windows Security 404 Not Found: Setup and Fix Guide
When you open Windows Security (formerly Windows Defender) and see a blank page or a '404 Not Fou...
How to Fix Windows Search 'Access Denied' Error
When you type a query into the Start menu or File Explorer search box and see 'Access Denied' or ...
Issue queue
SitemapResolve Update Error 0x80070643 in Defender
Outlook Permission Denied: File Locked by Another User
Nginx try_files 404 Error Fix
Fix Remote Desktop Dependency Conflict Not Working
Troubleshoot Error 0x8007232b Windows Activation
Chrome Sync Not Working? Try a Settings Reset
Windows Search Not Working? Check DNS
RDP Port 3389 Blocked: How to Fix Connection Refused
How to Delete Windows Update Cache in Windows 11 Without Permission Error
Resolve Chrome Site Unreachable Error
Fix Microsoft Store High CPU Usage & Permission Denied Errors
PowerShell Remoting Setup Guide
Outlook Permission Denied: File Locked by Another User
Nginx try_files 404 Error Fix
Fix Remote Desktop Dependency Conflict Not Working
Troubleshoot Error 0x8007232b Windows Activation
Chrome Sync Not Working? Try a Settings Reset
Windows Search Not Working? Check DNS
RDP Port 3389 Blocked: How to Fix Connection Refused
How to Delete Windows Update Cache in Windows 11 Without Permission Error
Resolve Chrome Site Unreachable Error
Fix Microsoft Store High CPU Usage & Permission Denied Errors
PowerShell Remoting Setup Guide