UFW Deny Port But Still Accessible: Fixes and Checks
You set a UFW deny rule for a specific port, but the port remains accessible from outside. This i...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Windows Activation Error 0x803fa067
You might see error 0x803fa067 when trying to activate Windows. This often means Windows can't re...
Fix Windows Defender Not Starting Due to Dependency Conflict
If Windows Defender won't start and you see an error about a dependency service or group failed t...
Fix Windows Security Module Not Found in Windows 11
You open Windows Security and see 'Windows Security module not found' or the app fails to launch....
Fix Microsoft Store Not Working Due to Proxy Settings
If the Microsoft Store won't load, shows errors, or fails to download apps, your proxy settings m...
How to Fix Windows Activation Not Working on Ubuntu
If you're running Windows on a machine that also has Ubuntu, you may see an activation error. Thi...
Topic paths
Quick titles
How to Fix Windows Update Rate Limit Error Not WorkingResolve Chrome Permission Denied for Custom ProfileRemote Desktop Path Not Found TroubleshootingUnlock Chrome Profile File After CrashHow to Fix Remote Desktop Connection Refused ErrorResolve Windows Task Scheduler Error 101How to Fix OneDrive Sync Issues in Windows 11Microsoft Teams Permission Denied Troubleshooting