The printer not activated – Error code - 20 is something that you may understanding because of the way that when you're updating from Windows XP or Vista to Windows 7, the new working framework dispenses with the utilization of the HKEY_CURRENT_CONFIG\Software key in the vault settings. This implies the passages found in that key are not refreshed when you're redesigning the OS, and a few applications utilize that accurate key to store interior settings, making them bomb after a refresh.

This issue will in all probability show up in case you're a client who has redesigned his working framework to Windows 7 (a spotless establishment of Windows 7 won't reason this), and you're utilizing the Quickbooks programming. This is one of the applications that utilizes the previously mentioned key to store its inward settings, and because of the way that the vault key isn't refreshed, the application won't work appropriately.
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