...listed in the Windows Control Panel > Add/Remove Programs list. ?
After using Windows Search, I found one folder at C

rogram FilesCommon Filessupportsoft that contains a folder named bin which contains an exe and 7 dll files.
Is this SupportSoft Assisted Service a part of or used with any Serif program?
I didn't specifically install SupportSoft Assisted Service.
From one of the the company's web sites, it seems to be a paid per-incident remote troubleshooting and computer support service.
Jim B. :> )
Any sufficiently technologically advanced music is indistinguishable from line noise.