problem with run from network folder

problem with run from network folder:
z:\setup.exe
The parameter is incorrect.

NSIS doesn't display such a message, so the problem comes from some other place.

May be from Vista?

But this problem exist with setup file( generated NSIS) under Vista, with other installer no this problem.

Vista under Virtual PC, shared network folder.

Vista has a thing for network drives. You need to elevate in order to run the installer, but when elevated, you don't have access to the user's network folders. It's a Vista "issue".

How to fix this problem?
setup with RequestExecutionLevel admin

You can use the UAC plug-in to have your setup run with RequestExecutionLevel, copy itself somewhere local and then execute itself elevated.

I use RequestExecutionLevel admin,
it's not UAC plug-in ?

No, that's the built-in command. That's the UAC plug-in: