You have a computer that has Microsoft Visual Studio 2010 Release Candidate installed. You write source code in the Code Editor of Visual Studio 2010 Release Candidate. Then, you rest the pointer on an identifier to view the QuickInfo tooltip. However, Visual Studio 2010 Release Candidate crashes when you use the tooltip. Additionally, you receive the System.InvalidOperationException exception.
Note This issue occurs when another application or a device is actively using the UI Automation framework. For example, this issue occurs when you run an application that uses the Screen Reader, Tablet, or Multi-touch functionality.
A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.
To download this hotfix from the MSDN Code Gallery, visit the following Microsoft Web site:
Note The MSDN Code Gallery displays the languages for which the hotfix is available. If you do not see your language listed, it is because the Code Gallery resource page is not available for that language.
Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
You must have Visual Studio 2010 Release Candidate installed to apply this hotfix.
Note The version number of Visual Studio 2010 Release Candidate is 10.0.30128.1 (RC1Rel).
You do not have to restart the computer after you apply this hotfix if no instance of Visual Studio is being used.
Hotfix replacement information
This hotfix does not replace other hotfixes.
The English version of this hotfix 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.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.