"Aborting Application QuickBooks is Now Terminating" is an error message that appears when QuickBooks encounters a critical issue that forces it to shut down abruptly. This issue may occur for a number of reasons, including damaged business files, out-of-date software, or incompatibilities with other applications. You can try restarting your computer, fixing the QuickBooks installation, or getting in touch with QuickBooks support at 1-855-856-0042 for more help to fix it.