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

Fix Windows Defender High CPU Usage with Registry Tweaks

If Windows Defender is using 30-50% CPU constantly, even when idle, it's usually due to aggressiv...

Setup OneDrive to Ignore SSL Certificate Errors

If you're using OneDrive with a corporate proxy or internal server that uses a self-signed or exp...

Fix PowerShell Authentication Failed Credentials Error

How to Fix Windows Defender Access Denied Error

If you see an "Access Denied" error when trying to open Windows Defender or run a scan, it usuall...

How to Fix Outlook Setup Authentication Errors

You're setting up Outlook for the first time or reconfiguring an account, and you get an authenti...

How to Fix Outlook Setup Error 0x80040115

When setting up an Outlook profile, error 0x80040115 usually appears during the initial connectio...