Why does QuickBooks Error 6000 happen?

[jastinmartin04]

There are several reasons why QuickBooks Error 6000 occurs. One explanation could be that your firewall is preventing the connection from being established. Alternatively, your.TLG file could be damaged. It's also conceivable that the QuickBooks setup file has become corrupted. Another possible culprit is an inaccurate setup network connection on your PC. Multiple users may be logged into the same company file. This problem might also arise when you try to restore your files from a previous backup.