After installing MS10-015 (KB977165), a limited number of users are experiencing issues restarting their computers. We've stopped offering this update through Windows Update, however, enterprise deployment systems such as SMS or WSUS will still see and be able to deploy these packages. Several other updates in this release were identified as having a high priority, we encourage customers to install them as soon as possible in order to help protected. Customers who choose not to install the update can implement the workaround outlined in the bulletin. CVE-2010-0232 was publicly disclosed and we previously issued Security Advisory 979682 in response. Customers can disable NTVDM subsystem as a workaround using Microsoft Fix It. Customers who’re experiencing issues after installing any of the security updates can get help resolving the issues by either visiting here or by calling 1-866-PCSafety (1-866-727-2338). International customers can find local support contact numbers here,” reports MSRC blog.
Update: Microsoft reports that “we’ve determined that malware on the system can cause this behavior, suggested the obtained memory dumps from computers experiencing the problem. For more information about memory dumps, refer this KB article.