This information is stored, not in the form of complete files, but simply as a triggering MSI. Follow the on-screen instructions to download and run the Windows Installer Cache Verifier Package. Windows Installer folders will have different size depending on the Windows versions, the number of installed applications, elapsed time since the last hard drive formatting and a number of other factors. The Windows Installer Cache Verifier Package troubleshooter is integrated with the Microsoft Support Diagnostics service. You will use the name that you enter to view the analysis results later. The folders are most often recoverable as long as they have not been overwritten. You will need this name to be able to see the analysis later on. 1636: Unable to install Windows Installer MSP file. The main reason for Windows drive eating up space over the time is Windows Updates and Patches. Follow the instructions to download and run the analysis package. Try the provided methods in the next part, you'll make Windows Installer work properly again in Windows … 1620: This installation package could not be opened. The C:\Windows\Installer folder is where some but not all applications uninstall files and folders are stored. In the following screenshot, I'm using the script to restore the missing files from a local folder which copy of the installer cache files from … It is available on TechNet. This article discusses how to restore missing Windows Installer cache files. The Windows Installer cache contains stored copies of installed updates applied by the installer. 1636 Unable to install Windows Installer MSP file. The SeBackupPrivilege user right was missing in the Windows Installer service. The installer directory has over 36 GB of stuff in it (mostly smaller installer files for what looks like OS components, some dating back to 2013). This update package could not be opened. Give your Analysis Session a name and click Save. RECOMMENDED: Click here to fix Windows errors and optimize system performance The Windows Installer Cache Folder is a system folder hidden under C:WindowsInstaller.When you install software using Windows Installer, a copy of the changed system information is stored in this folder. You must follow the procedures or steps recommended by the application vendor to restore the files. Copy the script to the target machine. In Windows 10, many temporary files will be created during normal operations, including temporary installer files. To get access to the WindowsApps folder, right-click on the folder and then select the “Properties” option from the list of context menu options. Original product version:   Windows 10 - all editions, Windows 7 Service Pack 1, Windows Server 2012 R2 In my previous article on using a utility named “msizap” I showed how you can reduce the size of this folder by deleting orphaned files. Enter a descriptive session name, then click Create. Verify that the program to be upgraded exists on your computer and that you have the correct upgrade. This package is frequently updated. To view the analysis results, select Recent Sessions near the top of the page. That is why one should never delete the contents of the Windows Installer folder. Once done, go here after an hour or so, to view the analysis results. Once you set these columns on a given machine, it will remember them for the Installer folder. Original KB number:   2667628. The C:\Windows\Installer folder is where some but not all applications uninstall files and folders are stored. Whenever you install a software using the Windows Installer, a copy of changed system information is placed in this folder. There are other system error messages that can arise as a consequence of missing Windows Installer Cache files.The errors that could be logged are: 1612 The installation source for this product is not available. Download this PC Repair Tool to quickly find & fix Windows errors automatically, never delete the contents of the Windows Installer folder, Download PC Repair Tool to quickly find & fix Windows errors automatically, Microsoft Garage rolls out Journal Inking app powered by Artificial Intelligence, Windows 10 Client LTSC will change to a 5-year lifecycle, FlexClip Review: All in one Video Maker for your Daily Video Marketing, 5 Best Ways To Make Great Marketing Videos. To do this, follow these steps: Open an elevated command prompt as described in the previous step 1. Verify that the update package exists and that you can access it, or contact the application vendor to verify that this is a valid Windows Installer update package. Immediately on booting your PC. If you try to open it, your access will be denied even if you are the administrator. Look for the name you gave for your Analysis Session and check if any of the possible recommended solutions help you. From time to time about (1-2% percent) of all instalation have the problem that the msi file is missing in windows/installer folder. Other error messages might be triggered by missing Windows Installer Cache files. Verify that the update package exists and that you can access it, or contact the application vendor to verify that this is a valid Windows Installer update package. It has files of winpe of 1607 and macrium reflect free file. Contact the application vendor to verify that this is a valid Windows Installer package. At the command prompt, type the following command, and then press ENTER: findstr /c:" [SR]" %windir%\Logs\CBS\CBS.log... Open the Sfcdetails.txt file from your desktop. Some third-party entities claim to be able to rebuild or repair the Windows Installer cache. First, you can try to restore folders with the built-in utility - Previous Versions. By default, this cache is located in the c:\windows\installer folder, and it should not be deleted. 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