What is the "Windows error 1500" - How to fix it?

The 1500 error in Windows is a problem that's caused by your PC not being able to access the important information and settings required to install a program on your PC. More specifically, it's caused by the "MSIExec.exe" application running with more than one instance - leading your system to run much slower and with a lot of problems. We've found that although this error is one of the biggest causes of issues of the 1500 error, you have to be able to clean out any of the problems that Windows might have inside in order to make sure that the error goes away.

The 1500 Windows Installer error will typically show in this format:


Error 1500: Another Installation Is In Progress. You must complete the other installation before continuing with this one.
Essentially, what happens is that Windows has to load up a program called "MSIExec" each time time it wants to install a piece of software. This program is normally very good, but often causes a lot of problems if it's continually being loaded up more than once. The problem your computer has is that the MSIEXEC program is going to be open more than once - leading your system to run much less reliably.

To fix the 1500 error, you can just restart your PC. This will not only make sure that your computer is able to process the files that it needs to run, but will ensure that your system is able to read any of the files / options that it will need to run. Restarting Windows can be done by clicking onto "Start" then selecting "Restart."

Another important step to take is to use a program called a "registry cleaner" to scan through your PC. This is a type of software that's able to clean out problems inside the registry database of Windows, and is used to help make sure that your PC is able to process any of the files or options that are required to help it run. We've found one of the biggest causes of errors for the Windows system is that the registry will become damaged, making it vital that you're able to fix the various problems it will likely have. To do this, it's recommended that you use a program called Frontline Registry Cleaner 2.0. This application is able to fix any of the issues that your PC may have, which should boost its speed and prevent any further instances of the 1500 error.

You can fix Windows error 1500 by using the tutorial and tools on our website. You can Click Here to fix the 1500 error on your PC for good.