Message: Application has failed to start because its side-by-side configuration is incorrect.
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.
You will need to visit Microsoft's website in order to resolve this issue.
- Visit Microsoft Article KB961894.
- Once on the above page, click on the Download tab.
- Choose the choose the correct version for your operating system:
- ENU (vcredist_x86.exe) for 32Bit systems
- ENU (vcredist_x64.exe) for 64Bit systems
- Follow the prompts to complete the installation.
- Once the installation has completed, attempt to run Quicken again.