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

How to Fix High PowerShell Memory Usage After Closing

You close PowerShell, but your system monitor still shows it using a lot of memory. This can slow...

Fix Microsoft Teams Blank Screen After Windows 10 Update

After a Windows 10 update, you open Microsoft Teams and see nothing but a blank white or gray scr...

Outlook Authentication Failed: Office 365 Admin Fixes

When Outlook repeatedly prompts for credentials or displays 'authentication failed', the issue of...

Fix Windows Search Blank Screen: Restore Default Settings

You click the search bar or press the Windows key and start typing, but instead of results you se...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Invalid Windows Activation After Upgrade

After upgrading Windows—whether from an older version or a feature update—you might see an error ...