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

Fix 'err tunnel connection failed' on Chrome for Android

You open Chrome on your Android phone and instead of loading a page, you see 'err tunnel connecti...

Outlook File Locked: How to Unlock PST File

You try to open your Outlook data file (PST) and get an error that the file is locked, or Outlook...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

How to Fix Chrome Update Error 12 on Mac

You try to update Google Chrome on your Mac, but an error message appears: "Update failed (error:...

Fix Outlook Service Unavailable After Update

You open Outlook after a recent update and see “Service Unavailable” or “Cannot start Microsoft O...

How to Fix Windows Search Not Working After Migration

After migrating your Windows system to a new computer or a different drive, Search may stop retur...