Security update file name | For all supported 32-bit editions of Windows 8.1: Windows8.1-KB3155178-x86.msu |
| For all supported x64-based editions of Windows 8.1: Windows8.1-KB3155178-x64.msu |
Installation switches | See Microsoft Knowledge Base Article 934307 |
Restart requirement | In some cases, this update does not require a system restart. If the required files are being used, this update will require a system restart. If this behavior occurs, you receive a message that advises you to restart your system. For more information about the reasons why you may be prompted to restart, see Microsoft Knowledge Base Article 887012. |
Removal information | To uninstall an update installed by WUSA, use the /Uninstall setup switch or click Control Panel, click System and Security, click Windows Update, and then Under Windows Update, click View installed updates and select from the list of updates. |
File information | See Microsoft Knowledge Base Article 3155178 |
Registry key verification | Note A registry key does not exist to validate the presence of this update. |