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

Fix Remote Desktop DNS Lookup Failed Error

When you try to connect to a remote computer using Remote Desktop (RDP) and see a 'DNS lookup fai...

Fix Windows Update 502 Bad Gateway After Update

After installing a Windows update, you might encounter a 502 Bad Gateway error when trying to use...

Fix 'Permission Denied' Error When Downloading Windows Updates on Ubuntu

If you use a dual-boot system with Ubuntu and Windows, you may see a 'permission denied' error wh...

Fix Windows Backup Error 0x81000019 on System Restore

When you try to restore a Windows backup, error 0x81000019 can stop the process. You might see th...

Fix SSH 504 Gateway Timeout in Windows Terminal