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Updating Visual C Runtime

Microsoft will occasionally update the C runtimes as part of their automatic update. If the Previzion build was compiled with a later version of the C runtime than the build on a system, executing Previzion will fail with a message indicating that re-installing the application may fix it.

The correct fix is to install the most up to date version of the C runtime.  Once downloaded, simply execute to update Runtime.

You may download the latest version of Microsoft Visual C Runtime from our Download Dashboard.

 

June 2011 Security Update

With builds later than May 2011, this update needs to be installed on the target machine using Internet Explorer:

http://support.microsoft.com/kb/2538242

To run this update, go to on the link above and select “http://update.microsoft.com/microsoftupdate/” under “Skip the details: Download the updates for your home computer or laptop from the Microsoft Update website now.”

This will launch a web browser instance of windows update.  However, this will automatically prompt you to install and/or enable ActiveX plugin with Windows Update.

  • Click on the Yellow Bar and allow this addon.
  • Make sure to select “Custom” and NOT “Express” installation when prompted.  Windows Update will run the same, but this allows it to find important Visual C++ updates.

If you haven’t updated Windows in a while, you may need to run Windows Update more than once.