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

Fix 'Task Scheduler' Not Recognized as Internal or External Command

When you type task scheduler or taskschd.msc in Command Prompt and see ...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

PowerShell Execution Policy Change Not Working – Fixes

You've run Set-ExecutionPolicy RemoteSigned (or another policy) but PowerShell still...

Fix Windows Activation Invalid Configuration via Command Prompt

You might see an error like “Windows Activation: Invalid product key or configuration” after a ha...

Fix High PowerShell Memory Usage in Windows 10

If you notice that PowerShell is consuming a large amount of memory (say, over 500 MB or more), i...

How to Fix Microsoft Teams Screen Sharing Not Working

When you try to share your screen in Microsoft Teams and nothing happens—or participants see a bl...