QuickBooks Error 1638 is a technical aberration that generally occurs if the source of QuickBooks installation is corrupted or damaged. This error can erupt freezing issues while running QuickBooks. There are various causes and solutions associated with QuickBooks error 1638, all of which shall be unraveled in this article.

·         Failed installation of QuickBooks.

·         Malware infecting the computer.

·         Corrupted QuickBooks installation files.

·         Technical issues within the Windows Registry.

·         Accidental deletion of QuickBooks files.