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Common problems HP Solution Center not working : Adobe Flash Player Error and Unable to scan
We would like to share some of the most frequently asked questions about HP Solution Center not working : Adobe Flash Player Error and Unable to Scan.

‎01-27-2026 07:04 AM

HP Recommended
Operating System: macOS 15.0 Sequoia

failed to open a connection to device -21345

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1 REPLY 1

‎01-29-2026 03:09 AM

HP Recommended

Hi @SteveLab,


Welcome to the HP Support Community!

Thanks for reaching out!

We're thrilled to have the opportunity to assist you and provide a solution.


Sorry for the inconvenience caused don’t worry let me help you.

 

To better understand the issue, could you please provide a few more details?


I'm glad I could help! 😊 If this resolved your issue, please mark it as "Accepted Solution" and click "Yes" on "Was this reply helpful?" Your feedback not only keeps us going but also helps others find the solution faster! 

 

Take care and have an amazing day ahead! 

Best regards,

Deep_World

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