Figured I'd convert my comment to an answer since the comment basically told you what you needed to know to solve the problem.
0xc0000005
represents a generic access violation error. This can occur for many different reasons. There is not enough information here to tell definitively what went wrong. For instance, it is possible (though unlikely) to deny the SYSTEM account to a particular path on the file system through ACLs. It could also be the application attempting to access another process's private memory without first enabling the proper system privileges, or trying to execute code in pages of memory marked as no-execute... etc., etc.,