Knowledge base

QuickBooks Desktop error codes

A complete, plain-English library of QuickBooks Desktop error codes -- what each one means and how to fix it yourself, including on discontinued versions that no longer get support.

3371

Error 3371 status code -1 appears after a reinstall or hardware change. Here's how to fix "Could not initialize license properties" on any QuickBooks Desktop version.

Fix it 6000 series

Errors -6000, -83, -301, -816 and friends stop you opening the company file. Here's what the 6000 series means and how to fix it -- no support subscription needed.

Fix it Fix QuickBooks Desktop Error -6000 -77: Causes, Steps & Prevention

QuickBooks Desktop error -6000 -77 blocks access to your company file. Learn what causes it, how to fix it offline, and when the file itself is damaged.

Fix it Fix QuickBooks Desktop Error -6000 -80: Company File Repair Guide

Troubleshoot QuickBooks Desktop error -6000 -80. Learn what this company file error means, how to repair it, and how to keep your Desktop version running s

Fix it H202 / H505

Multi-user mode can't reach the company file. Here's how to fix QuickBooks error H202 and H505 yourself -- even on a discontinued version.

Fix it