Fix 'Windows Defender Firewall Has Blocked' Error
You see a notification that Windows Defender Firewall has blocked an app or feature. This usually...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listChrome Profile Not Opening: Practical Fixes
You click Chrome and nothing happens, or you see an error about your profile not opening. This us...
How to Fix 'Access Denied' When Setting Windows Security Permissions
When you try to change permissions on a file or folder in Windows, you might see an error like 'A...
Fixing Outlook 2016 Rate Limit Errors: Step-by-Step Guide
If you see an error like "Your server has exceeded the rate limit" or "Too many requests" in Outl...
Fix Windows Activation 502 Bad Gateway Firewall Issues
When you try to activate Windows and see a 502 Bad Gateway error, it often point...
Fix Windows Search Offline Installer Error 0x80072ee7
When you try to install Windows Search using an offline installer, you might see error 0x80072ee7...
Topic paths
Quick titles
Task Scheduler Login Loop: Troubleshooting ChecklistHow to Fix Proxy Error 407 in Windows TerminalHow to Fix Windows Update DNS IssuesUbuntu Chrome Profile Backup: Step-by-Step TutorialTroubleshooting BitLocker 404 Drive MissingResolve Windows Defender Update Error 0x80070643How to Fix Windows Search Connection Refused ErrorHow to Resolve Remote Desktop Module Not Found in GPO