Fix Windows Activation 502 Bad Gateway Due to Proxy Settings
If you see a "502 Bad Gateway" error when trying to activate Windows, the problem is often a misc...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesOBS Virtual Camera Black Screen: How to Fix
If you see a black screen when using OBS Studio’s virtual camera in Zoom, Teams, or other apps, t...
Fix Windows Update Blank Screen with Bootable USB
After a Windows Update, some users encounter a blank screen—no login prompt, no cursor, just a bl...
Quick Fix for Microsoft Teams Error Code CXA20001
If you see error code CXA20001 when signing into Microsoft Teams, the app is usu...
How to Fix Command Prompt Module Not Found Error
When you type a command in Command Prompt and see 'module not found' or 'command not recognized',...
Fix Windows Terminal Login Loop Error (Exit Code 1)
You open Windows Terminal, see a flash of a login prompt, then it closes immediately with an erro...
Issue queue
SitemapComplete OneDrive Setup Tutorial for Windows 11
Troubleshoot Outlook Hyperlink 404 Error
Windows Security Permission Denied: How to Fix
Resolve OneDrive DNS Error 0x8004de4a
Group Policy Preventing BitLocker Auto-Unlock? Here's Help
Fix Git SSL Certificate Problem
Troubleshoot Windows Activation Module Not Found
Resolving Chrome Library Conflicts in Windows 10
Fix Windows Defender Rate Limit Error & Permission Denied
Troubleshoot Windows Activation Auth Failure with CMD
How to Reduce OneDrive CPU Usage on Windows 11
Fix Chrome Extensions That Fail After Browser Restart
Troubleshoot Outlook Hyperlink 404 Error
Windows Security Permission Denied: How to Fix
Resolve OneDrive DNS Error 0x8004de4a
Group Policy Preventing BitLocker Auto-Unlock? Here's Help
Fix Git SSL Certificate Problem
Troubleshoot Windows Activation Module Not Found
Resolving Chrome Library Conflicts in Windows 10
Fix Windows Defender Rate Limit Error & Permission Denied
Troubleshoot Windows Activation Auth Failure with CMD
How to Reduce OneDrive CPU Usage on Windows 11
Fix Chrome Extensions That Fail After Browser Restart