Sbs 2003 server suddenly keeps rebooting

Since a week or so my sbs 2003 server reboot almost everyday with source:System Error, Error code 1000008e, parameter1 c0000005, parameter2 b9f75658, parameter3 b97bcae0, parameter4 00000000 in the event log. Directly below this the following error states:
Error code 1000008e, parameter1 c0000005, parameter2 ba3a2658, parameter3 b9d84b58, parameter4 00000000.

I've checked this forum and some people have this error or similair and they have uploaded theyre dump files. Only my dump file (wich is located in c:\windows) is around 300mb.
Can someone assist me with this error? Is there maybe another location on the disk where smaller dump files exist?
The strange thing is that there are not hardware changens or other changes to this server.
 
You should have dump files in C:\windows\minidump folder. Just take five latest dumps, zip them and attach them with your next post.
 
It seems that Panda Network Manager driver i.e. fnetmon.sys have caused all these crashes. My suggestion is temporarily uninstall this software and monitor how your system behaves afterwards. Please do keep us updated. Regards
 
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