When attempting to install or update, you may get one of the following error messages:
Error: There was a problem installing Microsoft Runtime Library (Error 1618).
Error 1618. "ERROR_INSTALL_ALREADY_RUNNING" error message when you run the Setup program to install QuickBooks programs.
Note: If you are not comfortable ending the process, reboot your computer and follow the steps above to see if there are any instances of MSIEXEC.EXE still running in the background since rebooting generally closes this process.
Important: These troubleshooting steps may help resolve your issue. They focus on the Windows operating system, which is not an Intuit product. Intuit recommends if you are not comfortable doing these steps on your own, you can find expert assistance by consulting your computer's manufacturer or a Windows expert. If the difficulty persists after performing these steps, contact your computer's manufacturer or Microsoft.
To resolve this issue, please follow these steps to download and install the Microsoft Visual C++ Redistributable Package and then re-install QuickBooks Desktop: