When consumers try to open a company file, they see QuickBooks Error 6000. It is made up of a succession of mistakes and is generally produced by the following factors:
1) The TLG file has become corrupted.
2) QuickBooks installation file is corrupted
3) The connection is being blocked by a firewall.
4) a shattered corporation file
5) Several people have access to the same corporate file.
6) The network connection is set up improperly.