QuickBooks Error Code6000 is an error experienced by users when they are trying to open acompany file. It is composed of series errors and usually caused by different
factors that are listed below:
TLG file corrupted
Corrupted QuickBooks installation file
A firewall is blocking the connection
Damaged company file
Multiple users logged in the same company file
The network connection is incorrectly configured
QuickBooks Error 6000| QuickBooks Error-6000