You definitely don't wanna lose your quota for the month of December, what with all of that shoppin' you've still got to do!
If you moved the SH4.exe, put it back. Hopefully, it'll work after that. I don't remember if you can "validate" an install more than once?...
I finally found THEBERSTERS link:
SH$<>Tutorials<>How to do it<>Info... It's much easier to do this on a ~real~ computer...
The first Steam mention is in the
Steam Conversion SH4 Installation Instructions from 2015, where the whole folder is moved, and renamed without spaces. I do not know how reliable that method is.
The second is more recent
http://www.subsim.com/radioroom/show...21&postcount=3 down in Post #3. I remember the posting, but I do not remember the title of the thread. I do know this method works, because I have a few Steam games, and this is how I've managed their installations. You log into the Steam site on your account, and do it from there.