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

Fix Windows Terminal High CPU Usage: Practical Steps

You open Task Manager and see Windows Terminal using 20–40% CPU even when idle. This usually poin...

How to Fix 'Command Not Found' in Windows 11 Activation

When you try to activate Windows 11 using slmgr commands in the Command Prompt, you ...

MySQL Connection Refused on Port 3306: Causes and Fixes

If you're seeing "connection refused" when trying to connect to MySQL on port 3306, the MySQL ser...

How to Fix BitLocker Error 0x80072f8f During Activation

If you see error 0x80072f8f when trying to turn on BitLocker, it usually means the system can't v...

Fix Maven Dependency Resolution Failed in IntelliJ

Fix Windows Search Not Working Due to DNS Error

You search for a file or app in Windows, and nothing shows up, or you get an error like "Somethin...