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

How to Fix Windows Activation Not Working on Ubuntu

If you're running Windows on a machine that also has Ubuntu, you may see an activation error. Thi...

Clear Microsoft Teams Cache Without Losing Data

If Teams is running slowly, failing to load messages, or showing outdated content, a corrupted ca...

Fix Windows Defender Threat History Not Loading Due to Timeout

When you open Windows Security and click on 'Threat history', you might see a spinning circle fol...

Fix OneDrive Sync Stuck on Processing Changes After Migration

After migrating files to a new OneDrive account or tenant, you may see the sync status stuck on "...

Fix Windows Security Authentication Error 0x80070035

How to Fix Windows Update Error 0x80073712

You see error 0x80073712 when trying to install updates. It usually means a system file or compon...