After you install this security update on all SharePoint servers, you have to run the PSconfig tool to complete the installation. For more information about how to use the PSconfig tool, go to the following Microsoft TechNet webpage:
You may have to restart the computer after you install this security update.
In some cases, this update does not require a restart. If the required files are being used, this update will require a restart. If this behavior occurs, a message is displayed that advises you to restart the computer.
To help reduce the possibility that a restart will be required, stop all affected services and close all applications that may use the affected files before you install this security update. For more information about the reasons why you may be prompted to restart, click the following article number to view the article in the Microsoft Knowledge Base:
887012 Why you may be prompted to restart your computer after you install a security update on a Windows-based computer
This security update cannot be removed.
The English version of this security update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
For the x64-based version of Microsoft SharePoint Server 2010 Service Pack 1
update security_patch security_update security bug flaw vulnerability malicious attacker exploit registry unauthenticated buffer overrun overflow specially-formed scope specially-crafted denial of service dos