According to Intuit, there are several causes for Error Code 15103:
- your installation of QuickBooks has not been updated to the latest release
- damaged Windows registry entries
- a damaged QuickBooks update
See our related articles on Error Code 1328, Error Code 15104, Error Code 15105, Error Code 15106, and Error Code 15107 for more information.
If you received Error Code 15103 when performing a payroll update, consult this Intuit knowledge base article.
If you received Error Code 15103 unrelated to performing a payroll update, consult this Intuit knowledge base article.