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 Service Unavailable in Windows 11

You open Windows Security and see a red banner: 'Security service unavailable. Restart your devic...

OneDrive Sync Configuration Best Practices

Users often report OneDrive sync errors like files not updating, high CPU usage, or sync stuck. T...

Fix Windows Terminal Slow on Windows 11

If Windows Terminal feels sluggish on Windows 11—slow to open, laggy typing, or delayed command o...

Fix OneDrive Sync Not Working After Migration

After moving files to a new PC or switching Microsoft accounts, OneDrive may stop syncing. This u...

Fix 'Windows Security Authentication Failed' for Domain Credentials