The Microsoft Installer is a software program that assists in installing and uninstalling programs and upgrades on the Windows operating system. Under certain untoward circumstances, when the installation becomes corrupted or faulty, certain apps begin to generate errors throughout the installation phase. The same issue occurs while using QuickBooks whenever the Microsoft Installer becomes corrupted or faulty, as such, resulting in the QuickBooks error code 15106. The error shows up whenever the QuickBooks user attempts to download or upgrade the payment.

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