Recently, several reports were received about one Word 2007 crash issue. Some users said that the issue occurs after installing the MS10-056 Word security update.
The situation is as below:
Word 2007 is no longer able to create new documents from templates which contain ActiveX controls. Word 2007 will crash when double-clicking the template file.
This issue actually occurs after 2010-6 CU (KB 983313) is installed.
If some user encounters the same situation, please install the following hotfix to resolve the problem:
2449499 Description of the Office Word 2007 hotfix package (Word-x-none.msp): October 26, 2010
https://support.microsoft.com/default.aspx?scid=kb;en-US;2449499
Hope it is helpful!