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

Fix Windows Defender Service Authentication Failed Error

You might see the error 'Windows Defender service authentication failed' when trying to open Wind...

Fix Windows Defender Not Starting Due to Dependency Conflict

If Windows Defender won't start and you see an error about a dependency service or group failed t...

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 Windows Update Error 0x80070002 Version Mismatch

You run Windows Update and get error 0x80070002 with a message about a version mismatch. This usu...

Fix Microsoft Teams High CPU Usage & Permission Denied Errors

You open Microsoft Teams, and your laptop fan kicks in. Task Manager shows Teams using 50% or mor...

Fix OneDrive Repeated Credential Prompts

If OneDrive keeps asking you to sign in even after you've entered your credentials, it's usually ...