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

Fix Windows 10 Product Key Not Working After Hardware Change

You replaced a major component—often the motherboard—and now Windows 10 says your product key isn...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix BitLocker Version Mismatch Configuration Errors

You try to enable BitLocker on a drive and get an error about a version mismatch. This usually ha...

How to Fix Task Scheduler Missing Tasks After Reboot

If you've rebooted your Windows machine and find that scheduled tasks have vanished, you're not a...

How to Restore Deleted OneDrive Files from Recycle Bin

If you've accidentally deleted a file from OneDrive, it may still be recoverable from the recycle...

How to Fix Command Prompt Blank Screen on Windows 10

If you open Command Prompt and see only a blank screen—no prompt, no cursor, just an empty window...