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

Fix Microsoft Store Error 0x80070005: File Locked

When you see error code 0x80070005 while trying to install or update an app from the Microsoft St...

Fix Microsoft Store Apps Not Downloading or Updating

You open the Microsoft Store, tap Update or Install, and nothing happens—or the download stalls a...

Fix Windows Security Authentication Error 0x80070035

Fix Outlook Invalid Configuration Error During Email Account Setup

When setting up an email account in Outlook, you may see the error “Outlook could not log on. Che...

Fix Windows Activation Service Unavailable Without Product Key

You see 'Windows activation service unavailable' and you don't have the product key. This usually...