> I can download all png, but I still have problems with exe of
> <http://home.nikocity.de/abcware/vb/beispiele/vb_pr_05.exe>
> in 
> <http://www.vb-seminar.de/vb_11.htm>

That is because the .EXE file is on another server!  Not www.vb-seminar.de
You need to add a rule to include it, either +*.exe or +home.nikocity.de/*