12/13/2023 0 Comments Windows installer folder![]() msp file from machine 2 in and then moved the rest.Ĭ’s free space has changed from 3% to 55%. Not really knowing what I was doing, I began to move these files onto another partition, and found out that things still worked. Using Treesize, I found that this machine had JUST ONE file which matched the 93 on the troubled machine. I have a similar computer which does not have this problem. However I have only had this serious problem for 3 months. msp files, each 117,166 kb and all dated (sic). ![]() TreeSize allowed me to see this doubly hidden folder and to manage it. On this folder there were a large number of. When I put it to use, for the first time I saw C:\Windows\Installer. I had had to move a mass of programs and user files just to allow room for expanding system files.ĭaylight broke when Tosh of Techhelpforum suggested TreeSizeFree (see above). It was made worse because I couldn’t see what was causing the expansion of the drive. My problem – like Wayne’s, was about C drive getting larger every day and threatening to put me out of business. If you know of a better way to have handled this please let me know. To be honest, I’m not real happy that I had to go the cowboy route on this one – but with 4GB of disk space being chewed up but the big files, I didn’t have much choice. So far no noticeable side effects from this, although talking to a few people I may notice issues when I go to remove a program in the future – it may require one or more of these files in order to uninstall correctly. ![]() So what did I do? I decided to backup the lot and then delete them. I found a Microsoft KB article which references these files and a supported method to remove them IF they are left over from failed uninstallations I “could” delete them but there may be unspecified side effects if I do. So off to Google I go and within the first few hits I find out that they are files left over from the installation of various programs. The IT Professional in me says that I need to find out more about what they are and why there are duplicates BEFORE I delete them. Ok – so the cowboy in me says go delete them and see what happens. Those 466MB duplicates are sucking up space big time. I checked inside the directory and found a heap of duplicate files. You can see I’ve got 6.3GB taken up in the C:\Windows\Installer directory. I use a freeware utility called TreeSize Free to determine where the space is – it’s a cool utility and allows you to drill down into folders to see what is taking up so much space. The C: drive on this server is 30GB in size. This server hosts a number of websites including this blog so I was somewhat puzzled as to what would consume so much space. If you already did the cleaning of Installer folder and need restore the files, you can use Windows Installer Cache DiagnosticĪlways make sure you have latest good backup of your system.On one of my servers, I got a low disk space alert today for the C: drive. ![]() For scripts and command line usage, WICleanup also includes a command line version in the archive (WICleanupC.exe).ĪTTENTION: If you do it on machines on which you have SQL Server installed you may have to rebuild the operating system and reinstall SQL Server. The Windows Installer UnUsed Files Cleanup Tool (WICleanup) by KZTechs is able to scan for orphaned MSI and MSP files in the \Windows\Installer folder and offers you an option to delete them from the comfort of a graphical user interface. If you check the Installer folder in Windows (C:\Windows\Installer), you will most likely find a lot of MSI and MSP files in there taking up a few gigabytes of your hard drive, with some people even reporting 10GB+. Using tools such as SpaceSniffer to find which folders are taking up precious space on your drive might show that the Installer folder located in Windows is one of them. If it is familiar for you, it is time to chech what do you have on your HDD. As much your HDD has less space you have.
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