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Questions tagged [msi-patch]

A Windows Installer patch (.msp file) is a file used to deliver updates to Windows Installer applications.

A Windows Installer patch is a self-contained package that contains all the information required to update the target application. A patch package (.msp file) can be much smaller than the Windows Installer package (.msi file) for the entire updated application. A Windows Installer patch is merely a packaging mechanism for an existing MSI update type such as minor or major upgrades. A working minor or major upgrade is required for a patch to be possible to create.

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patch uninstall not working properly developed using InstallShield

I have created a patch for my product using Installshield. When I apply the patch the product files get updated successfully. However, when trying to uninstall the patch it uninstalls or removes successfully the newly added dlls to the patch from…
prag
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How does an MSP file contain a file that was rolled back to the original version?

If I have an MSP file, AB.msp, that was created from two MSI files, A.msi (older) and B.msi (newer), it's natural that one can apply AB.msp to an environment where A.msi is installed. But, suppose there are several more MSI files between A.msi and…
David Johns
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Wix Toolset - Cannot create/install patch with fewer files/components than the original msi package

I have few locations on the field for which the initial .msi is same having about 2000 files (of multiple file types). However, I will have to send patches to few of the locations depending on the need so the patch should consist of fewer files…
Sarma
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MsiPatchRemovalList on MSI uninstall

I have a CustomAction inside my MSI Project with a condition of MsiPatchRemovalList, this is because i need to execute this for each patch uninstall process. This is working properly, when i execute the uninstall patch it is executing the…
polzka90
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MSP doesn't install all updated files

If i have two MSI packages: package A) 2.0.1234 (initial_product.msi) packacge B) 2.0.2300 (updated_product.msi) I can create a patch in installshield that generates an MSP from the two to upgrade 2.0.1234 to 2.0.2300. What's strange is, the new…
Dan Smith
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