Plesk 11 2012 Server, IIS Media Services

[HopN]

I can stream if the Apple option isn't checked. But when I do configure for Apple, I get the below. Any insight? Thanks in advance for your help.

Faulting application name: w3wp.exe, version: 8.0.9200.16384, time stamp: 0x5010885f
Faulting module name: mpeg2tssink.dll, version: 7.1.938.454, time stamp: 0x4fc90b7e
Exception code: 0xc0000005
Fault offset: 0x0003b461
Faulting process id: 0xc34
Faulting application start time: 0x01cdfb18403dd4a7
Faulting application path: C:\Windows\SysWOW64\inetsrv\w3wp.exe
Faulting module path: C:\Program Files (x86)\IIS\Media\mpeg2tssink.dll
Report Id: 9b2c5101-670b-11e2-93f2-00259068f88d
Faulting package full name:
Faulting package-relative application ID:


--------------------- solved this --------------------

grant appool worker user modify rights to c:\program files(x86)\IIS and c:\program files\IIS