How to Fix QuickBooks Printer Not Activated Error 20?

When you have updated OS and some applications use that key to store internal settings then application key is not updated. It causes them to fail after an update. This issue will typically appear on QuickBooks software. QuickBooks Error Code 20 – Printer not activated is one of the most common error message faced by the users of QB Software, whenever they try to upgrade their operating system to Windows 10 or 7.

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