Thank you for your interest in the LG Slim Portable (SP80NB80) model. Quicken 2003 is an old version of the software, released almost 20 years ago. It was designed for older versions of Windows like XP or 2000, not Windows 11.
Windows 11 has newer requirements and a more modern architecture, making it unlikely to run smoothly. Quicken officially stopped supporting Quicken 2003 years ago, recommending newer versions built for modern Windows.
Installing old software like Quicken 2003 on a new Windows 11 system poses security risks due to lack of modern updates and patches. You can download its owner's manual through this link for more information: https://www.lg.com/us/support/product/lg-SP80NB80.AVAR10B. If problem persist, please reach out to us on social media @LGUSSupport so we can help you further. ^Cris
4 days ago
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LG Digital Customer Care