Fix Windows Defender Proxy Error 0x80070422
If you see error 0x80070422 when opening Windows Defender or running a scan, it usually means the...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesBitLocker SSL Certificate Error on Windows 10: Fixes
You're trying to unlock a BitLocker-protected drive, but Windows 10 throws an SSL certificate err...
Fix Windows Login Loop with CMD Repair Tool
You log in, see the desktop for a second, and get kicked back to the lock screen. This Windows lo...
Fix Windows Update Keeps Reverting Changes
You click 'Install updates', wait for the progress bar, and then see the dreaded message: 'Undoin...
How to Fix Remote Desktop Mac Keyboard Not Working
You're connected to a Windows PC via Microsoft Remote Desktop (RDP) on your Mac, but the keyboard...
Fix BitLocker to Go Mac Permission Denied Error
If you get a 'permission denied' error when trying to open a BitLocker-encrypted drive on a Mac, ...
Issue queue
SitemapHow to Resolve Chrome Profile Authentication Failed
Fix Task Scheduler Access Denied After Windows Update
Fix Microsoft Store 'Port Already Allocated' Error with Netsh
Fix Microsoft Teams Auto Start Not Working on Mac
Task Scheduler 404 During Task Creation: Troubleshooting
How to Resolve Defender 504 Timeout
Fix 'File Locked by Another User' in RDP
Why docker compose build --no-cache Ignores Changes
OneDrive Sync Not Starting: Reinstall & Reconfigure
Windows Security Not Opening After Update – Fixes
How to Repair Outlook When It Won't Open
Troubleshooting PowerShell Permission Denied Issues
Fix Task Scheduler Access Denied After Windows Update
Fix Microsoft Store 'Port Already Allocated' Error with Netsh
Fix Microsoft Teams Auto Start Not Working on Mac
Task Scheduler 404 During Task Creation: Troubleshooting
How to Resolve Defender 504 Timeout
Fix 'File Locked by Another User' in RDP
Why docker compose build --no-cache Ignores Changes
OneDrive Sync Not Starting: Reinstall & Reconfigure
Windows Security Not Opening After Update – Fixes
How to Repair Outlook When It Won't Open
Troubleshooting PowerShell Permission Denied Issues