Thanks for your tests - I need to add that your conclusion is only true in case UseIniInProgramDir can be found in those files, in every other situation it works just fine (e.g. with a fresh install & clean ini, and even with singlefilename in RedirectSection, since I use it that way atm). As I wrote above, since I misunderstood this option of TC & its working, I need to rewrite the whole wincmd.ini catcher algorithm (currently TU even checks for UseIniInProgramDir if TC gave valid result to the envvar "%COMMANDER_INI" - which the utility shouldn't have to do) - it leads to such 'interesting' behaviour.
Do you know about any other 'tricky' keys like "UseIniInProgramDir" available for TC, which I should check for & handle?
@EricB:
Hi, would be nice if you could collect all these informations in a file. Maybe server-side methods are not even neccessary, I could just embed it into TU, so when it "meets" a filename that exists in its database, it could get its actual version (if no FileVersion section & no readme etc files exists) without an active online connection - that would be the best.
A similar concept like inside [OverridePlugVer] section would do the trick, do you agree? Just a bit modification is needed, e.g. like this:
[envvar.wfx] (though this one actually contains verinfo, so its just for an example)
2206166715=1.3.0.222v
where the structure is:
[{filename.extension}]
CRC32 chksum of file=actual local version
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About MVV's wdx plugin: Wow, its a whole kilobyte increase! Now thats what I call totally unacceptable for anything to be updatable.

Btw he shouldn't definitely need to add verinfo into that file (however generally every single PE file in the world should have version informations imho, but nvm), it would be just as fine if he could add a single "readme.txt" file into the package, containing "SkipCompare 1.0" (or whatever the version is). The filename could even be "SkipCompare.txt". Now thats just 15 bytes, or 4 bytes if he decides to simply write "v1.0" into that txt file without anything else...

Regards,
Bluestar