Btw, if your application read/writes files in own folder, then you may just install it into Documents folder where UAC does not take effect.

Already doing that.
Its the virtualised ini files and registry which is proving a problem.

Thanks for your answer!

Im interested in Enigma as I have a need to bundle an app designed for Windows 9x and XP Under Windows 7 and 8, it struggles due to UAC and permissions: it uses WritePrivateProfile etc to create and use INI files. Under Win7/8 these are virtualised and often fail to update. And it creates files in i...