Lets say you just had it installed in \SE4\Pirates
The Modinfo file should be \Se4\Pirates\Modinfo.txt

and 12KB?!?!?!
wow
That's *huge*
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The Unofficial Space Empires 4 Mod Utility V1.7 (Revision 3)
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Download as a .ZIP <
HERE>
Download as a .RAR <
HERE>
Download as a .ACE <
HERE>
Check a Screenshot of it<
HERE>
Check an Alpha Shot of my Mod Editor (Unreleased) <
HERE>