These errors occur when using QuickBooks with a non-US version of Windows, or the Windows Regional Options are not set to English.

Error 80070057 has two possible causes. Either someone is attempting to open the company file outside of QuickBooks, or BitDefender (antivirus software) is blocking communication ports between computers. Follow the provided instructions to fix the problem.

Troubleshoot and resolve error -6177, 0,  This issue has been resolved in the latest QuickBooks release. Either follow the provided link to download the latest release, or use the manual troubleshooting steps to fix the problem.

General troubleshooting guidelines for QuickBooks network errors

Troubleshoot and resolve this Windows XP error (shows three different possible message variants), Article describes how to check the Windows compatibility mode for the QuickBooks desktop icon and QuickBooks executable file, and how to verify that the company file isn't damaged.

Verify that the computer on which the data file is stored is on and not in a standby or hibernate mode. Verify firewall settings are correct and manually restart the QuickBooks Database Server Manager.

Steps to resolve error -6073, -99001.

Steps to resolve printing errors that happen when QuickBooks encounters an unexpected blank line on an unsaved sales form. Fix the issue by clearing the Save transactions before printing preference. These errors begin with either 14747, 14769, or 14770.

Explains how to resolve errors H101, H202, H303, and H505 when opening a company file in multi-user mode.