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 Node Version Mismatch After Updating Node
After updating Node.js, you might see errors like "The engine 'node' is incompatible with this mo...
Fix Chrome Profile Configuration Error After Update
After updating Chrome, some users see an error message like “Your profile could not be opened cor...
Fix Windows Update Error 0x80070643 Installation Failed
You see error 0x80070643 when trying to install a Windows update, and the setup fails partway thr...
Bypass Network Proxy Blocking Windows Update: Step-by-Step
When a network proxy blocks Windows Update, you may see error 0x8024402c or updates that never fi...
Fix Remote Desktop File Locked Error 0x80070020
If you get error 0x80070020 when opening or editing a file over Remote Desktop, it usually means ...
Issue queue
SitemapPowerShell Path Error: Environment Variable Fix Guide
Fix Windows Update High CPU Usage: Step-by-Step Guide
Auto-Start Windows Terminal via Scheduled Task
Fix Chrome Profile Authentication Failed & Sync Not Working
How to Resolve DNS Probe NXDOMAIN on Mac Chrome
Teams White Screen Loading Error: Troubleshooting Guide
How to Fix Permission Denied for Windows Search Service
How to Resolve Outlook Port Already Allocated Error
Fix Windows Activation Blank Screen After Update
Troubleshooting Chrome 504 Timeout on VPN
Windows Security Disabled by Group Policy – Quick Fix Guide
Troubleshooting Outlook Path Not Found in Profile
Fix Windows Update High CPU Usage: Step-by-Step Guide
Auto-Start Windows Terminal via Scheduled Task
Fix Chrome Profile Authentication Failed & Sync Not Working
How to Resolve DNS Probe NXDOMAIN on Mac Chrome
Teams White Screen Loading Error: Troubleshooting Guide
How to Fix Permission Denied for Windows Search Service
How to Resolve Outlook Port Already Allocated Error
Fix Windows Activation Blank Screen After Update
Troubleshooting Chrome 504 Timeout on VPN
Windows Security Disabled by Group Policy – Quick Fix Guide
Troubleshooting Outlook Path Not Found in Profile