Fix QuickBooks Error Code 6143 (Company File Issues)

However, the best part about using QuickBooks is that any sort of issue in this software is easy. Every error can be resolved using some or the other set of steps. Coming to the QuickBooks error code 6143, it is generally seen due to malfunction in the company files. The user can also end up in such an error when system files are corrupted or damaged somehow. You might see a warning message on the screen when such an error occurs and as a result of this issue the window might crash, or the software might crash. Any sort of damage to the registry files can trigger this error in QuickBooks.