Thank you for reaching out to the Community regarding your issue, though I am sorry to hear that you are experiencing this.
With the issue that you ear experiencing best for you to contact Quicken Support instead as the error you're having can have multiple causes. We'll be able to collect logs to figure out exactly what is causing the issue you're having. This will let us know what exactly is happening and if the issue needs to be escalated as well. I'll leave our information down below for you to find a time that works best for you.
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Thanks,Quicken Francisco