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QuickBooks Error Code 6000 is an error experienced by users when they are trying to open a company file. It is composed of a series errors and is 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 to the same company file

The network connection is incorrectly configured

How do you fix it?

QuickBooks Error 6000 can be resolved easily by restoring a backup, configuring the firewall and antivirus software, opening the company file in another location, and renaming the .ND and .TLG files.

QuickBooks Error 6000 77

What is it?

QuickBooks Error 6000 77 is one of the QB errors experienced by users when they try to access the company file. The error is due to the following reasons: the company file is located on external storage; incorrect folder permission which contains a company file; the company file is opened with a reference from a mapped drive.