Knowledge base for software setup, errors, and daily tool work.

UFW Allow Port Range Not Opening: Fixes and Checks

If you've added a UFW rule to allow a range of ports but connections are still being blocked, the...

Fix Outlook Error 0x80040154: Step-by-Step Guide

When Outlook fails to start with error 0x80040154, it usually points to a missing or misregistere...

Fix Microsoft Store Invalid Configuration Permission Denied Error

If you see "Invalid configuration. Permission denied" when opening Microsoft Sto...

Fix Windows Update Stuck at 100% Not Finishing

You wait for a Windows update to finish, the progress bar hits 100%, and then nothing happens for...

Fix Windows Security Authentication Error 0x80070035

Fix Command Prompt Slow After Windows 11 Update

After a Windows 11 update, you might notice Command Prompt takes several seconds to open or feels...