In case you are using QuickBooks software for your business it becomes crucial to understand How to fix QuickBooks error 6000 83 and why does this error occur. It can occur due to a variety of reasons. The most common cause of this error is when QuickBooks tries to update and it can't find a program to update it with. It can also happen when QuickBooks isn't on the right date or time, or if you have too many files open in other programs. If your QuickBooks company file has been corrupted or you're seeing other kinds of errors, this might be what's causing your problem. To fix the error 6000-83, you must restart the computer and then reconnect through your browser.