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

Microsoft Teams High CPU Usage: A Practical Checklist

If Microsoft Teams is consuming a lot of CPU, you might notice your laptop fan running constantly...

Fix Outlook Connection Timeout After Windows Update

Why Outlook times out after a Windows update

After a Windows update, Outlook may fail to ...

Fix Task Scheduler Authentication Failed After Password Change

If you changed your Windows password and now see 'authentication failed' errors in Task Scheduler...

Fix PowerShell Ubuntu Installation Error Code on Windows

When installing Ubuntu via PowerShell in Windows Subsystem for Linux (WSL), you may encounter an ...

Fix High CPU Usage by MsMpEng.exe (Windows Defender)

If your system feels sluggish and Task Manager shows MsMpEng.exe using 30–100% CPU, Windows Defen...

Windows Activation Failed Due to Blocked Key: Fixes That Work

You see “Windows activation failed due to blocked key” – it usually means the product key you’re ...