How to Allow an App Through Windows Defender Firewall
If an app can't connect to the internet or network, Windows Defender Firewall may be blocking it....
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix OneDrive Sync Permission Denied Error
You see a "permission denied" message when OneDrive tries to sync files. This usually means OneDr...
Microsoft Teams Service Unavailable: Step-by-Step Checklist
When Microsoft Teams shows a 'service unavailable' message, it usually means the app can't reach ...
Fix Outlook Not Responding and Keeps Crashing
Outlook freezing or crashing repeatedly can stop your work. This guide covers common causes and s...
How to Fix Windows Update Version Mismatch Error
If you see a "version mismatch" error when trying to update Windows, it usually means the update ...
Fix Microsoft Store Login Loop Error 0x80070424
If you're stuck in a login loop on the Microsoft Store and seeing error code 0x80070424, it usual...
Topic paths
Quick titles
BitLocker DNS Error 0x80072f8f: Causes and FixesNew User Guide: Microsoft Teams Setup ChecklistResolve 502 Bad Gateway via CMDHow to Fix Windows Search Network Error 0x80070035How to Fix Command Prompt Hanging at StartupHow to Fix Corrupted RAR Files (Checksum Error)Error 0x80070005: Windows Search Permissions FixHow to Fix Chrome 502 Error with Corrupted Profile