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

How to Fix Outlook Service Unavailable Error

When Outlook shows a 'service unavailable' error, you usually cannot send or receive emails. This...

How to Fix Chrome High CPU Usage Caused by Extensions

If Chrome is using an unusual amount of CPU, extensions are a common culprit. You might notice yo...

Fix Microsoft Teams High Memory and CPU Usage

You open Task Manager and see Microsoft Teams using hundreds of MB of RAM and pegging the CPU. Th...

Fix OneDrive 'Permission Denied' Sign-In Errors

When OneDrive refuses to sign in and throws a 'permission denied' error, it usually means the app...

BitLocker Recovery Key Not Accepted: Fix Authentication Failed Error

How to Fix Remote Desktop Authentication Errors

You try to connect via Remote Desktop and see an error like "An authentication error has occurred...