• As my colleague said SQL Server error log should give more hints.

    The c0000005 error is a memory access violation error caused during service start up. Error log may point to the faulting module. Here is an example of a similar case:

    https://social.msdn.microsoft.com/Forums/sqlserver/en-US/042824a3-05e6-47a2-baff-cb32a2235e96/sql-2008-hungs?forum=sqldatabaseengine