Error: "A patching engine error has occurred" or "update failed" when updating Quicken for Windows
When updating Quicken to the latest patch release, you may receive this error message. There are a few different things that can cause this error, but it can easily be resolved by installing the Mondo patch for your version of Quicken.
To resolve this issue:
- Go to this FAQ: Update and Mondo Patch.
- Click on the link for your version of Quicken.
- Click on the Mondo Patch Update and follow the instructions.
Your version of Quicken is now updated to the latest release.