Getting Rid of Software Records for Software installed on an external disk?

Solution 1:

How do I remove leftovers after uninstalling programs?

There are several programs that will clean up after an uninstall that did not complete successfully.

Iobit Unstaller

IObit Uninstaller 3 is a light and FREE uninstall tool that helps you to remove unwanted programs and leftovers completely without any hassle. It detects and categorizes all of the installed programs, and allows bulk uninstallation with just ONE click!

Source IObit Uninstaller 3

Revo Uninstaller

Revo Uninstaller Pro helps you to uninstall software and remove unwanted programs installed on your computer easily! Even if you have problems uninstalling and cannot uninstall them from "Windows Programs and Features (Add or Remove Programs)" control panel applet.

Revo Uninstaller is a much faster and more powerful alternative to "Windows Programs and Features (Add or Remove Programs)" applet! It has very powerful features to uninstall and remove programs.

There is a freeware version available.

Source Revo Uninstaller Pro

Disclaimer

I am not affiliated with IObit Uninstaller 3 or Revo Uninstaller Pro in any way, I am just an end user of the software.