Fix 'Windows Defender Firewall Has Blocked' Error
You see a notification that Windows Defender Firewall has blocked an app or feature. This usually...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Reset Windows Security Settings to Default
If Windows Security settings become misconfigured—perhaps after a third-party antivirus installat...
Fix Windows Defender Missing After Update
After a Windows update, some users find that Windows Defender is missing from the system tray, Se...
Fix Task Scheduler 'File Locked' or 'Access Denied' Errors
You set up a scheduled task to run a script or program, but it fails with 'File Locked' or 'Acces...
Fix Microsoft Store 404 Not Found Error on Reinstall
When you try to reinstall an app from the Microsoft Store and get a 404 Not Found
Windows Defender Path Not Found: Troubleshooting Steps
When you see a 'path not found' error in Windows Defender, it usually means Windows Security can'...
Issue queue
SitemapTroubleshoot Windows Login Loop Permission Error
PowerShell Troubleshooting: Reset and Fix Common Issues
Restore Windows Security After Malware Removal
Fix Chrome Profile Not Loading on Startup
Fix Token Expired When Using Office 365 in Command Prompt
Increase PHP Memory for Composer
Resolve Permissions Denied Due to Expired Security Token
Fix Windows Update Stuck Checking with Permission Error
Task Scheduler Settings Reset Troubleshooting
BitLocker Error 0x8007007e: Cannot Connect to Encrypted Drive
Solve Windows Search Rate Limit and Indexing Issues
Teams Stuck Loading? Resolve Error Code 0xca
PowerShell Troubleshooting: Reset and Fix Common Issues
Restore Windows Security After Malware Removal
Fix Chrome Profile Not Loading on Startup
Fix Token Expired When Using Office 365 in Command Prompt
Increase PHP Memory for Composer
Resolve Permissions Denied Due to Expired Security Token
Fix Windows Update Stuck Checking with Permission Error
Task Scheduler Settings Reset Troubleshooting
BitLocker Error 0x8007007e: Cannot Connect to Encrypted Drive
Solve Windows Search Rate Limit and Indexing Issues
Teams Stuck Loading? Resolve Error Code 0xca