server 2003 sql setup when error another instance of setup is already running error

my computer ( right click)
manage
services
look windows installer services restart or start

https://answers.microsoft.com/en-us/windows/forum/windows_10-windows_install/another-instance-of-setup-is-already-running-error/c9bfc7bf-ca8b-4720-8a0e-9c7f223befea