Fail Retested with ALDL tester and now fails.

I am thinking BAD Cable

Well it worked once. Com port seams to get lost.
Latter ...
I found this on some other forum "Each computer I use is slightly different and what happens is there is "something" with the speed...

I found this web sight ( http://www.advanceduninstaller.com/TTS-OBD1-Interface-Tester-v230-4209cefe31423095d371143bc4451d1f-application.htm )and installed it, ran test and failed, ran diagnostics and...

I am having the same problem, I have two laptops one with Win 7 and the other Win 10.
Only errors when connected.