Concatenation of "vendor" and "vandal", denoting a vendor who is prepared to damage your interests should these be perceived to conflict with theirs.
Microsoft's Product Activation places them in the vandor category - if Windows suspects your computer has changed "too much", it will refuse to run.
The case that would apply were no other action to be taken, particularly where this (non)-choice is lacking in foresight and/or likely to cause problems.
By duhfault, Windows 95 hides file name extensions so that you don't know what will happen when you "open" a file.
Free Daily Email
Emails are sent from firstname.lastname@example.org. We'll never spam you.