QuickBooks Error 1638 is an aberration in the QuickBooks program that gives a clear indication that the QuickBooks installation files may be damaged. However, poor internet connectivity can also cause this technical error to appear. Consequent to the appearance of this error, QuickBooks may stop responding to any user inputs and may shut down unexpectedly. The desktop screen may freeze, and you might other issues upon the arrival of this error code. To fully comprehend the causes generating this error and get familiarized with the various methods to fix QuickBooks error 1638, you should read this article all the way through.

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