If you get an error message such as "another installation is in process" when installing this software, it's that Windows Installer Service is still running. Windows Installer Service is still in operation.
If you attempt to install two programs at the same time with Microsoft's Windows Installer, you will encounter an error message which states, "Error 1500. Another installation is underway. It is necessary to finish the previous installation before proceeding to the next one." Therefore the best thing to do is to stop one installation process. However, what happens if you're performing any other installation at the time, but still , you're getting the error. It can be confusing after seeing the error message appear on the Windows screen. To clarify your doubts we will explain what this error is and what you can do to solve it "Another Installation is already in process" error?
