For more information about how Windows Installer 3. Note that removing patches from the sequence can cause patches marked obsolete or superseded to become active. All patches selected for removal are listed in the MsiPatchRemovalList property.
This property is a private property that is set by the installer and can be used in conditional expressions or queried by custom actions. The property contains the list of patch code GUIDs of patches to be removed. A custom action can determine whether the installation state of the patch is applied, obsolete or superseded by calling the MsiGetPatchInfoEx or the PatchProperty property of the Patch Object. After a patch is removed the state of the application is the same as if the patch was never installed.
If possible, the installer restricts the process to the subset of features affected by the patch being removed. Files that were added by the patch are removed and files that were modified by the patch are overwritten. Files and registry entries are restored to the version expected by the product minus the patch. Features and components that were added by the patch are unregistered from the application. Note that additional content added by the patch can remain on the user's computer if the content is used by another patch that is still applicable.
If a file of a shared component is updated by a patch, the change affects all applications that share the component. It is easy to delete all cached update files. This works on all supported versions of Windows, including Windows 7, Windows 8. Download and install it then start scanning. Also, there are more third party apps will do this for your, but doing Windows task with built-in Windows app is better and free. It will let you discover your computer features and functions more.
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Most important step while getting rid of windows 10 cache is cleaning of temp files. Similarly, enter temp in the run box and hit enter and go to the folder and delete all the files there.
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Accept Read More. By Shais Last updated Mar 29, Patches applied using a version of Windows Installer that is earlier than Windows Installer 3. When you invoke an uninstallation of a patch by any of the following methods, the installer attempts to remove the patch from the first product visible to the application or user requesting the uninstallation. The installer searches for patched products in the following order: per-user managed, per-user unmanaged, per-machine. You can uninstall patches from a command by using msiexec.
The following sample command line removes an uninstallable patch , example. Beginning with Windows Installer version 3. The patch can be referenced by the full path to the patch or by the patch code GUID. You can uninstall patches from script by using the Windows Installer Automation Interface. The following scripting sample removes an uninstallable patch , example.
Each patch being uninstalled can be represented by either the full path to the patch package or the patch code GUID. Your applications can uninstall patches from other applications by using the Windows Installer Functions.
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