How to Fix Windows Defender Firewall Blocked App
You try to open an app, but it either won't start or can't connect to the internet. A common caus...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Microsoft Teams Microphone Not Detected in Settings
When Microsoft Teams doesn't detect your microphone in settings, you may see a red X or a message...
Chrome SSL Protocol Error Not Working: How to Fix
You're browsing in Chrome and suddenly get an error like "ERR_SSL_PROTOCOL_ERROR" or "SSL protoco...
Fix Windows Activation Error 0x80070002 (Dependency Conflict)
You try to activate Windows and get error 0x80070002. The message often says something like “depe...
Fix Outlook PST File Access Permission Error
When you see "Outlook PST file cannot be accessed. Permission denied" or a similar error, Outlook...
Windows Store App Downloads Not Starting – Fixes That Work
You click install, but the download bar never moves. Maybe it shows “Pending” or just freezes. Th...
Topic paths
Quick titles
Microsoft Store 502 Error Troubleshooting GuideDocker Desktop Stuck on 'Starting' Forever? Here's How to Fix ItHow to Force PowerShell Execution Policy ChangeWindows Terminal Start Menu Icon Missing: TroubleshootBitLocker File Locked Due to Group Policy: Fix GuideFix Checking for Updates Loop in Windows on MacSlow Keyboard Response in Command PromptHow to Fix Microsoft Store Proxy Authentication Error