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Syncfusion Feedback

How to solve the "Preparing to install" issue?

Platform: Miscellaneous |
Control: Install and Configuration |
Published Date: June 2, 2015 |
Last Revised Date: July 6, 2019 |
Product Version:
Tags: install

This issue can arise when the Essential Studio setup installation is not started in your machine. And also, corresponding Essential Studio setup version entries is not properly removed from the registry and package cache location.




Refer to the following steps to resolve the installation issue.


Windows Installer Clean Up

This issue persists due to the corresponding Essential Studio setup version entries exist in the registry and program cache location. These entries are not removed properly while uninstalling the Essential Studio setup. In order to install your setup, you need to clear those Essential Studio setup-related entries from the registry and installed locations. 

Refer to the following steps to resolve the issue:

  1. Download the “Windows Installer Cleanup” utility from the following link.

                     Windows Installer Cleanup



No need to download and install the utility if you have already installed.


  1. Install this msicuu2.exe with Admin Privileges.

Installing the msicuu2.exe with Admin Privileges


  1. After installing the utility, open the Windows Installer Clean Up from the Start menu. Select the version of the Syncfusion Essential Studio (Ex: v12.4.0.24) that you need to uninstall and click Remove from the Windows Installer Clean Up window.


Windows Installer Clean Up


Now registry entry and cached files of selected Syncfusion Essential Studio version will be removed from your system.



When Syncfusion Essential Studio version not listed then you can skip this step.




  1. Now, navigate to the Temp directory. Click Start, type %temp% in the Search box, and then press Enter. Clear all the files and folders in that directory.
  2. Navigate to the following location and search for Syncfusion related entries for the required version by using the Search option, and remove the entire folder if the required Syncfusion version file exists.


Location: {Boot Drive}\ProgramData\Package Cache\

Eg: C:\ProgramData\Package Cache\


                Refer to the following screenshot.


Location of the "Package Cache"


  1. Restart your machine.
  2. Now, reinstall the Essential Studio setup.



Now, the ‘Preparing to install’ issue will be resolved and you can install the Syncfusion Essential Studio setup in your machine.


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