Maybe you should try the QNX6 forum and not the QNX4 one.  That being said if you ran QNXWinCleanup I'm not sure what 
else to try, except maybe reboot after the QNXWinCleaup or make sure you ran it as admin.

> -----Message d'origine-----
> De : Les Thaler [mailto:community-noreply@qnx.com]
> Envoyé : 2 mai 2011 18:43
> À : qnx4-community
> Objet : Momentics Install/Uninstall problem
> 
> On Windows 7, I installed the QNX IDE qnxsdp-6.50.-xxxx-win32. The install
> failed. I tried to rerun the installer, but that failed because the IDE was still
> installed. There is nothing listed in programs and features, so Windows
> unistall is not an option.
> 
> 
> I tried QNXWinCleanup, which did not fix the problem. There's nothing in the
> registry that looks like a QNX msi package, and I don't know the package guid,
> so can't msizap. Anyone know how to resolve this? TIA
> 
> 
> 
> _______________________________________________
> 
> QNX4 Community Support
> http://community.qnx.com/sf/go/post85344
>