Yes. There is different AutoIt3Help.exe for release and for beta. Now I copied newer AutoIt3Help.exe from Beta directory (3.3.7.14) "C:\Program Files (x86)\AutoIt3\Beta\AutoIt3Help.exe" to release directory (3.2.12.1) "C:\Program Files (x86)\AutoIt3\AutoIt3Help.exe" (overwiting older one) and IT WORKS!!! Thank you very much Jos (and others too) for help! Problem solved.