Unity 4.1.5 is not open

hello,
i’m new in unity
i use unity 4.1.5 with free license, after install and select unity license it is not open and show bug reporter windows(always).
my os is windows7 x64 sp1
what i must to do?

Hello,

Probably an incompatible project

Try opening Unity while holding the alt key, then create a new project or select a different one

cheers

evs

yes, unity show project address to attach on bug reporter.
i create new project with no any packages but problem not resolve

no help??