Even with Alexandre's most recent fix, I'm seeing hangs on Photoshop CS2 installer, iTunes installer, and Word Perfect Office X3 installer, and Susan is seeing hangs on Dragon, all with the suspicious line $ err:ntdll:RtlpWaitForCriticalSection section 0x7bc8cf80 "rtl.c: peb_lock" wait timed out in thread 0014, blocked by 0016, retrying (60 sec)