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

Fix Microsoft Store Ubuntu Network Error on Windows

You're trying to install Ubuntu from the Microsoft Store on Windows, but you get a network error ...

How to Fix Windows Security Login Loop Error

If you're stuck in a login loop where Windows Security keeps prompting for credentials even after...

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...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

How to Fix Windows Security Connection Refused Error

You open Windows Security and see a "Connection refused" error when trying to update virus defini...

Fix Microsoft Store Error 0x80073cf0 Dependency Conflict

You see error 0x80073cf0 when trying to install or update an app from the Microsoft Store. The me...