We use our tool log.com, which will create one output line to
a logfile after a reboot.
As RUN entry in the HKLM hive we are using:
c:\log.com -reboot-
You only need to count the number of lines in the c:\ndos.log file
with the -reboot- comment to get the right value.
See topic:
http://kixtart.org/cgi-bin/ultimatebb.cgi?ubb=get_topic&f=2&t=001360
for more information about this tool.
Greetings.