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

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED Caused by Antivirus

When Chrome shows ERR_TUNNEL_CONNECTION_FAILED, it usually means a secure tunnel...

Ubuntu Remote Desktop Setup with xrdp Step by Step

If you need to remotely access your Ubuntu desktop from another computer, xrdp is a reliable, ope...

Fix 'PowerShell Not Recognized' Error on Windows

When you type powershell in Command Prompt or a script and see “powershell is not re...

How to Fix Windows Update Service Not Running

When Windows Update fails to check for or install updates, a common cause is that the Windows Upd...

Fix Windows Update Failed to Connect to Internet Error

When Windows Update reports it cannot connect to the internet, even though your browser works fin...

Fix 'PowerShell Not Recognized as Internal or External Command'