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

Fix Windows Activation Auto Start Not Working

You expect Windows Activation to pop up automatically after a hardware change or fresh install, b...

Fix Windows Update Permission Denied Error in Windows 10 (Registry)

You try to run Windows Update in Windows 10 but get a 'permission denied' error. This often happe...

Fix 'Service Not Found' Error for Task Scheduler on Ubuntu

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 PuTTY Network Error: Connection Refused on Ubuntu

When you try to connect to an Ubuntu machine using PuTTY and see "Network error: Connection refus...

Fix 502 Bad Gateway After Reboot in Command Prompt

If you see a 502 Bad Gateway error after rebooting your server or workstation, i...