Database Error *Assertion failed*

You may see this Error in the out.log File:

I. 08/08 06:20:18. Database recovery in progress
I. 08/08 06:20:18.     Last checkpoint at Mon Aug 08 2011 06:13
I. 08/08 06:20:18.     Transaction log: sem5.log…
I. 08/08 06:20:18. Starting checkpoint of „sem5“ (sem5.db) at Mon Aug 08 2011 06:20
I. 08/08 06:20:18. Finished checkpoint of „sem5“ (sem5.db) at Mon Aug 08 2011 06:20
E. 08/08 06:20:18. *** ERROR *** Assertion failed: 100904[sem5] (11.0.1.2472)
Failed to redo a database operation (id=4, page_no=0x8fc9, offset=0xbac) – Error: Cannot access file ‚E:\Symantec Endpoint Protection Manage
I. 08/08 06:20:18. Recovery complete
E. 08/08 06:20:18. Internal database error *** ERROR *** Assertion failed: 100904[sem5] (11.0.1.2472) Failed to redo a database operation (id=4, page_no=0x8fc9, offset=0xbac) – Error: Cannot access file ‚E:\Symantec Endpoint Protection Manage — transaction rolled back
I. 08/08 06:20:18. Database server shutdown due to startup error

This happens due to a transaction log file corruption. Just delete the sem5.log or rename it…Start the
Database with the -f switch and then via Services