Personal Computer Fixes

Windows Installer Error 1620 Fix Guide

Windows Installer Error 1620 is caused by a series of problems and issues with the Windows Installer Package. The error is going to likely be the result of not having the correct files or settings that your computer requires to operate the installation package. This can either be caused by the program’s installer being invalid, or Windows being unable to run the program correctly; and can be fixed by first ensuring that the installation package is valid, and that your PC is able to run the software.

This error will show this message:

This installation package could not be opened.

Contact the application vendor to verify that

this is a valid Windows Installer package”

What Causes Windows Installer 1620 Error?

This error is going to be caused by Windows Installer being unable to load up correctly. The problems which cause this error will include the likes of:

  • The installation file will not be valid from Windows
  • Windows will be out of date / corrupted
  • Your system will have errors with its registry database

How To Fix The 1620 Error

Step 1 – Re-Download The Installer

The first step to take is to re-download the installation program that you want from the Internet. To do this, you should first delete the installer you’re using, restart your computer and then download a new version of the application from the vendor’s website. This will not only allow your system to run much smoother, but also ensure that you’re going to be able to get a fresh copy of the software for your PC.

Step 2 – Use Windows Installer Cleanup Utility

The next step is to clean up the Windows Installer package on your PC. The way to do this is to first ensure that you can use the “Windows Installer Cleanup Utility”, which is an official tool from Microsoft which has been designed to fix the problems that you’re experiencing.

Step 3 – Clean Out The Registry Of Windows

The next step is to clean out the registry of your computer. This is a huge cause of errors for your PC, as it’s continually being damaged & corrupted. The registry is a central directory of the Windows system, which acts like the “Yellow Pages” of your PC. It’s where a large number of important information is kept for your system, and is continually being used to help ensure that your computer can run as smoothly as possible – allowing your system to run much smoother and more reliably. We’ve found that one of the biggest causes of problems for the Windows system is the registry database – meaning that in order to fix the problems you’re facing, you should use a registry cleaner application – which is a tool which has been created to scan through your PC and repair the problems that Windows Installer may have.

We strongly recommend using a program called RegAce System Suite 2.0, which can be downloaded below. This tool has been created to fix the various problems that your PC will have – and will fix the errors you’re experiencing:

» Download Windows Repair Tool

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