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Message: Application has failed to start because its side-by-side configuration is incorrect.

Updated: 2/05/2014 | Article ID: GEN82742

Cause

This issue is due to one or more incompatible versions of the file: mfc80u.dll. Mfc80u.dll is a Microsoft Windows file that is used by multiple programs.

Solution

You will need to visit Microsoft's website in order to resolve this issue.

  1. Visit Microsoft Article KB961894.
  2. Once on the above page, click on the Download tab.
  3. Choose the choose the correct version for your operating system:
    • ENU (vcredist_x86.exe) for 32Bit systems
    • ENU (vcredist_x64.exe) for 64Bit systems
  4. Follow the prompts to complete the installation.
  5. Once the installation has completed, attempt to run Quicken again.
 
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