Cannot find the merge and difference controls. Visual InterDev is not installed correctly on this computer.

You're trying to use source control or the Compare to Master Web command with your Web application, but the components that allow files to be merged and compared for differences are not available. Microsoft^® Visual InterDev™ was not correctly or completely installed on your computer.

• To correct this error, reinstall Visual InterDev.

For more information, see your installation instructions. For more information on using source control with Visual InterDev, see Working with Multiple Developers.