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 Windows Activation Stuck at 0% Setup
You're trying to activate Windows, but the progress bar stays at 0% and nothing happens. This is ...
Fix OneDrive 504 Gateway Timeout Sync Error
OneDrive sync may stop with a 504 Gateway Timeout error, often when syncing large files or during...
Fix VSCode Remote SSH Permission Denied on Linux
When you try to connect VSCode to a remote Linux server via SSH, you might see a 'Permission deni...
Fix OneDrive Not Signing In Due to Network Firewall
You try to sign in to OneDrive, but it fails with a network error. Often, a firewall—on your comp...
Fix Remote Desktop Fails to Start with No Error
You click to start a Remote Desktop session, the connection window appears briefly, then closes w...
Topic paths
Quick titles
How to Add NVM to PATH on Windows 11Microsoft Store Connection Refused Windows 11 FixFix Ubuntu Permission Denied Error in Windows Security ContextHow to Resolve Certificate Connection Refused in WindowsFix PowerShell Rate Limit Errors When Setting Up ScriptsHow to Fix RDP Memory Leak on IdleHow to Fix BitLocker Update Error on Windows 11How to Fix Command Prompt Network Commands Not Working