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 notesFix BitLocker 504 Error After System Update
After a Windows update, you may see a BitLocker error 504 on boot: "An error occurred while readi...
Fix OneDrive Sync Error 0x8004de40 During Migration
When migrating OneDrive accounts or moving files between tenants, you may see error 0x8004de40. T...
Fix 'Module Not Found' in Python Virtual Environments
You've activated your virtual environment, installed a package with pip, but Python still says
Fix Microsoft Teams Auto-Start Not Working via Group Policy
You've configured a Group Policy to force Microsoft Teams to start automatically when users sign ...
Remote Desktop Command Not Found: Setup Checklist
When you type a remote desktop command like xfreerdp or rdesktop and se...
Issue queue
SitemapRemote Desktop Settings Reset Tool Stuck? Try These Fixes
Fix Windows Terminal Error 0x80000003: Corrupted Settings
Common Gradle Build Errors and How to Solve Them
Fix Windows Activation Error After Motherboard or CPU Swap
How to Resolve Error 5 Access Denied in Command Prompt
Fix PostgreSQL Password Auth Failure: Trust vs md5
Clear Windows Defender Cache in Windows 10
Windows Security Configuration for Remote Desktop: A Practical Guide
Windows Security Configuration Problem Checklist
Troubleshoot Error 0x80073712 in Windows 10/11
Windows Terminal Black Screen: Troubleshooting Guide
How to Fix Port Already Allocated Error in Windows Defender
Fix Windows Terminal Error 0x80000003: Corrupted Settings
Common Gradle Build Errors and How to Solve Them
Fix Windows Activation Error After Motherboard or CPU Swap
How to Resolve Error 5 Access Denied in Command Prompt
Fix PostgreSQL Password Auth Failure: Trust vs md5
Clear Windows Defender Cache in Windows 10
Windows Security Configuration for Remote Desktop: A Practical Guide
Windows Security Configuration Problem Checklist
Troubleshoot Error 0x80073712 in Windows 10/11
Windows Terminal Black Screen: Troubleshooting Guide
How to Fix Port Already Allocated Error in Windows Defender