Can't install Lemur installer 5.2.2

[sushinski]

I run OSX 10.8.5 on a MacbookPro 2,3GHz i7. Everytime I open the Lemur installer 5.2.2 dmg file, it crashes my Finder.
Any ideas what I'm doing wrong?
Thanks for help!

[sushinski]

Finally I got it running somehow. Lovely!