- For IT professionals, see Microsoft Security Bulletin MS15-044 on the Security TechCenter website.
How to obtain help and support for this security updateHelp installing updates: Support for Microsoft Update
Security solutions for IT professionals:
TechNet Security Troubleshooting and Support
Help protect your Windows-based computer from viruses and malware: Virus Solution and Security Center
Local support according to your country:
More information about this security update
Download informationThis security update is available for download from the Microsoft Download Center:
Frequently asked questions
Q1: Why is the Microsoft Lync 2010 Attendee (user level install) update available only from the Microsoft Download Center?
A1: Microsoft is releasing the update for Lync 2010 Attendee (user level install) only through the Microsoft Download Center because the user level installation of Lync 2010 Attendee is handled through a Lync session. Other distribution methods, such as automatic updating, are not good for this kind of installation scenario.
Q2: How do I know whether I have Lync 2010 Attendee (user level install) installed and not Lync 2010 Attendee (admin level install)?
A2: The following registry subkey is present if you have Microsoft Lync 2010 Attendee (user level install) on a computer that is running a 32-bit operating system:
Prerequisites to apply this security updateThere are no prerequisites for installing this security update.
Restart informationYou may have to restart the computer after you install this security update.
In some cases, this security 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.
See Why you may be prompted to restart your computer after you install a security update on a Windows-based computer for more information.
Security update replacement informationThis security update replaces the following security update:
Removal informationNote We do not recommend that you remove any security update.
To remove this security update, use the Add or Remove Programs item or use the Programs and Features item in Control Panel.