Orphaned Installer - please help to deuce amount of wasted disk space

Michael Harriman 0 Reputation points
2025-08-31T09:16:27.2833333+00:00

I have many old GBs in tmp and msi files in C:\Windows\Installer surely they can be deleted

Windows for home | Other | Files, folders, and storage
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  1. Ramesh Srinivasan 84,355 Reputation points Independent Advisor
    2025-08-31T11:40:22.0666667+00:00

    Hi Michael,

    The C:\Windows\Installer folder is required for software updates. However, there may be orphaned .msi and .msp files in that folder that can be cleared. You can use PatchCleaner (freeware) to identify and remove orphaned .msi packages in that folder.

    Here are the links.

    PatchCleaner download | SourceForge.net

    Cleanup Obsolete .MSI and .MSP files in the Windows Installer Folder to Free Disk Space

    Standard Disclaimer: There is a link to a non-Microsoft website. The page appears to provide accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as PUPs (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.

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