No I don't have other copy of MC running. I just try to start it via remote desktop or as library server via FireDaemon.
In both cases it crashes leaving message in the log (follows). I am using Windows Server 2003 by the way.
Event Type: Error
Event Source: Application Error
Event Category: (100)
Event ID: 1000
Date: 19.06.2007
Time: 23:33:25
User: N/A
Computer: MEDIA
Description:
Faulting application Media Center 12.exe, version 12.0.259.0, faulting module Media Center 12.exe, version 12.0.259.0, fault address 0x00425af5.
For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 41 70 70 6c 69 63 61 74 Applicat
0008: 69 6f 6e 20 46 61 69 6c ion Fail
0010: 75 72 65 20 20 4d 65 64 ure Med
0018: 69 61 20 43 65 6e 74 65 ia Cente
0020: 72 20 31 32 2e 65 78 65 r 12.exe
0028: 20 31 32 2e 30 2e 32 35 12.0.25
0030: 39 2e 30 20 69 6e 20 4d 9.0 in M
0038: 65 64 69 61 20 43 65 6e edia Cen
0040: 74 65 72 20 31 32 2e 65 ter 12.e
0048: 78 65 20 31 32 2e 30 2e xe 12.0.
0050: 32 35 39 2e 30 20 61 74 259.0 at
0058: 20 6f 66 66 73 65 74 20 offset
0060: 30 30 34 32 35 61 66 35 00425af5