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

How to Fix Windows 11 Taskbar Icons Missing After Update

After a Windows 11 update, some users find that taskbar icons—like the Start button, search, or p...

Fix Remote Desktop Connection Failed Due to Locked User Account

When you try to connect to a remote Windows computer via Remote Desktop (RDP) and see the error <...

Fix Windows Update Service Not Running with DISM Restore Health

You try to run DISM /Online /Cleanup-Image /RestoreHealth and get an error saying th...

Fix ERR_CERT_AUTHORITY_INVALID in Chrome Incognito Mode

You open Chrome incognito and hit a warning: NET::ERR_CERT_AUTHORITY_INVALID. Th...

Fix DNS Probe Finished NXDOMAIN After Windows Update

After a Windows update, some users see the error 'DNS_PROBE_FINISHED_NXDOMAIN' in Chrome ...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...