How to Fix Windows Security Error 0x80070422
You open Windows Security and get error 0x80070422, or see a message that the app can't start. Th...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Resolve Port Conflicts with Windows Defender Firewall
You're trying to run a local server or application, but it fails to start because the port is alr...
Fix Windows Update Invalid Configuration with SFC Scan
If Windows Update fails with an 'invalid configuration' error, corrupted system files are often t...
Fix Chrome Profile Startup Not Working After Update
After a Chrome update, you might find that your profile doesn't load correctly at startup—perhaps...
How to Fix Remote Desktop Blank Screen on Mac
You connect to a remote Mac via Remote Desktop, but the screen stays black or blank. This is a co...
Fix BitLocker DNS Error After Windows Update
After a recent Windows update, you might see a BitLocker error that mentions DNS, such as "BitLoc...
Issue queue
SitemapHow to Resolve Cloudflare 522 Caused by Server Firewall
Outlook for Mac Stuck on Loading Profile: Fixes to Try
Windows Activation Timeout After Reinstall Fix
Fix Windows Search Path Not Found Error 0x80070002
Troubleshoot Windows Activation Organization Server Error
Change Windows Security Log Location via Registry
Enable Windows Defender After Group Policy Disabled It
Troubleshoot Microsoft Store Issues After Update
Troubleshooting Windows Security Proxy Permission Denied
Fix OneDrive Not Syncing on Windows 11
Fix Windows Security Blank Screen After Update
Chrome Safe Mode Not Working – Troubleshoot
Outlook for Mac Stuck on Loading Profile: Fixes to Try
Windows Activation Timeout After Reinstall Fix
Fix Windows Search Path Not Found Error 0x80070002
Troubleshoot Windows Activation Organization Server Error
Change Windows Security Log Location via Registry
Enable Windows Defender After Group Policy Disabled It
Troubleshoot Microsoft Store Issues After Update
Troubleshooting Windows Security Proxy Permission Denied
Fix OneDrive Not Syncing on Windows 11
Fix Windows Security Blank Screen After Update
Chrome Safe Mode Not Working – Troubleshoot