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

How to Fix DNS Probe Finished NXDOMAIN on Chrome (IPv4/IPv6)

You're browsing in Chrome and suddenly see "DNS probe finished NXDOMAIN" — meaning the domain nam...

Fix Windows Security Not Starting Automatically After Boot

You boot your PC and notice Windows Security (formerly Windows Defender) isn't running. The icon ...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...

Fix Chrome Profile 404 Error: Missing User Data

When Chrome shows a '404' error related to your profile or complains about missing user data, it ...

How to Fix OneDrive Sync Pending Files Not Uploading

You see files in OneDrive with a 'Pending' status that never upload. This usually means the sync ...

How to Fix Windows Security Network Error on Startup

If you see a Windows Security network error every time your PC starts, you're not alone. The erro...