Software incompatibilities or insufficient system resources are the usual causes of the QuickBooks qbmapi64 Out of Memory Windows 10 issue. Try expanding your virtual memory, updating Windows and QuickBooks, shutting down unused programs, and making sure you have enough RAM to fix the issue. Reinstalling the program or running QuickBooks as an administrator might also be helpful. If the problem continues, get in touch with QuickBooks help.

Quick Method To Deal With Quickbooks qbmapi64 out of memory error Windows 10