HRESULT 0x80040408: QuickBooks could not be started
We couldn't reach QuickBooks on your computer. Open QuickBooks, sign in to your company file, then click Retry.
- Code
- quickbooks_could_not_start
- HTTP status
- 502
- Type
- connection
- Safe to retry
- Yes, with the same Idempotency-Key
What it means
The Web Connector could not launch QuickBooks, usually because the company file is not open, or a dialog is waiting.
API message: QuickBooks is closed and could not be started on this computer (0x80040408).
How to fix it
Open QuickBooks and the company file, dismiss any dialog, then run the Web Connector again.
Every error response carries a guideUrl that points at this page and a requestId you can find in the request log.