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

Fix Windows Terminal Service Unavailable for Remote Desktop

When you try to connect to a remote Windows machine via Remote Desktop (RDP) and get an error lik...

Fix BitLocker Dependency Conflict After Windows Update

After a Windows update, some users see a BitLocker error like "A required dependency is missing" ...

Fix Windows Activation Error: DNS Name Does Not Exist

When you try to activate Windows and see an error that the DNS name does not exist, it usually me...

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

How to Reinstall the Windows Security App (Microsoft Defender)

If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...

Fix DNS Probe Finished NXDOMAIN on Android Chrome

When you see DNS_PROBE_FINISHED_NXDOMAIN in Chrome on Android, it means the brow...