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

Fix Windows Search Settings Not Saving Changes

You change a Windows search setting—like indexing options or search mode—but it reverts after clo...

Fix 'Windows Defender Not Recognized' Error in Command Prompt

Fix Windows Defender Port Already Allocated Antivirus Conflict

If you see an error like "port already allocated" or "address already in use" after installing a ...

BitLocker Setup Fails with Error 0x8031004A: How to Fix

When enabling BitLocker on a Windows PC, error 0x8031004A typically appears immediately after sel...

Fix Outlook Authentication Failed: App Password Not Working

If you're seeing an authentication failed error in Outlook and your app password...

Fix DNS Probe Finished NXDOMAIN on Android Chrome

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