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exe file, accompanied by numerous DLL files. Solution 2: Re-Download the Installer and Setup FilesĪn application package comprises several installation setup files or a single. If not, try the next troubleshooting step below. If the issue was caused by a lack of administrator rights, this should fix it. Right-click the installer and select Run as Administrator.
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It also appears when users try to uninstall programs. The error appears to affect Windows 7, Windows 8, and Windows 10 machines and pops up when a software update/upgrade or installation fails. The “Error 1720: There is a problem with this Windows Installer package” can be triggered by registry issues.
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