Nero on the issues

I Nero6, Nero is no problem to discs.
But spent a period of time when players open the software, be it WMP, Real or storm, will always be the wrong pop-up window, saying that
Fatal Error:
Installation corrupted – please reinstall Nero.
According to the pop-up will be determined after a similar total pop-up ranging from 4-6.(With the players about the video format)
then Will normally start playing video! I
the re-Nero6, is still the same.
optimize the use of the master is still the same after unloading …
re-installed Nero7, Nero7 can, but still the same error pop-up window.
what A good way to do?

Because you when you install the software prompts you to kill time when you always have what the point of whether