The installer file cannot be deleted. This folder saves the registration information of all application software installed based on Windows Installer. Once this file is damaged, all software installed based on Windows Installer will not be able to run normally.
You cannot delete the contents of the Installer folder. This folder saves the registration information of all application software installed based on Windows Installer. , once this file is damaged, all software installed based on Windows Installer will not run properly, and all application software installed based on Windows Installer need to be reinstalled to repair the registration information in the %systemRoot%\Instsllet folder.
Take ofiec as an example. After you delete the contents of this folder, the office installation program will not be able to be used. No matter you reinstall, repair, add or delete office components, it will not be able to run. At this time Office must be manually removed and then reinstalled. Open the registry and navigate to HKEY_CLASSES_ROOT\Insaller\products. Find the uninstallation information of office here, delete the corresponding registry key, then manually delete the office folder, and then rerun the office installation program before it can run normally. The rest are based on windows. Installer software must be handled in this way.
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