I need a solution
There are unexpected system shutdowns and After enabling the creation of memory dump files on the server, and
analyzing the first .dmp file generated:
BugCheck 1000008E, {c0000005, 809040be, b4c4a6d4, 0}
*** WARNING: Unable to verify timestamp for NAVAP.sys
*** ERROR: Module load completed but symbols could not be loaded for NAVAP.sys