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

Fix Slow PowerShell on Windows 10: Practical Checks

If PowerShell takes several seconds to start or feels sluggish during execution, the problem ofte...

MongoDB Authentication Failed: Causes and Fixes

You try to connect to MongoDB and get "Authentication failed" or similar error. This usually happ...

How to Fix Windows Security Not Opening After Update

After a Windows update, you might click the Windows Security icon and nothing happens, or the app...

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 Docker Image Pull Unauthorized Errors

You run docker pull and get an error like unauthorized: authentication require...