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 QuickBooks Software, whenever they try to upgrade their operating system to Windows 10 or 7.

Due to this error the QB user is not successful to print or send invoices and pay slips which direct to the further inconvenience for the business owners. This is a common error caused by various other applications apart from QuickBooks but its importance on QuickBooks is more than any other software.

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