https://support.office.com/en-us/article/Repair-an-Office-application-7821d4b6-7c1d-4205-aa0e-a6b40c5bb88b?CorrelationId=ad8985a8-9207-4ba1-90b2-909a538ff871&ui=en-US&rs=en-US&ad=US
http://answers.microsoft.com/en-us/office/forum/office_2013_release-word/i-am-receiving-error-code-0xc0000005-when-opening/fa2bc831-a1d7-4648-a188-d854c7a64566?auth=1
Do either of the above help ?