I did same problem. this what it say coualt err..
couatl v2.0 (build 2315)
panic log started on Wed Aug 29 20:28:38 2012
Traceback (most recent call last):
File "couatl\common\__init__.py", line 49, in checkBglmanVersion
File "couatl\common\liveUpdate.py", line 75, in liveUpdate
File "couatl\common\preferences.py", line 97, in _setPreference
File "couatl\common\preferences.py", line 46, in writePreferencesToDisk
IOError: (13, 'Permission denied', u'C:\\Users\\mak\\AppData\\Roaming\\Virtuali\\CouatlAddons.ini')