Hi sers!

Thank you very much for the quick reply.

Your suggestion with ""C:\pathtojj2\jazz2.exe" level" worked like a charm. (only one level pack gave me the error "Fatal Application Error: Version conflict", but it says the level pack was for Jazz2 withouth TSF)

However, I'm still puzzled what could have caused the problem.

-There have only 10 custom levels installed.
-Why should someone who distributes a single player level pack hide his levels from the homecooked list?

Too bad I can't open the levels in the JCS to look whether they are really set as "invisible". They are password protected.

Anyway, thanks again!
Stefan