Thank you for taking the time to visit the Community to post your issue, although I apologize that you are having trouble logging into your Quicken account.
I would recommend contacting support directly for advanced troubleshooting steps and assistance with your Quicken account.
Quicken Care has the tools to correct the issue that the Community does not have.
If you haven't
rebooted Windows since you installed the latest software update, please do so
now and then try Quicken again.
Still not working?
Let's do some
"Troubleshooting 101" to ensure the Quicken software is installed and
updated properly and that your data file is in good working order.
Please perform all the steps in this document in the order specified:Troubleshooting
101 - Fixing Software Installation and Data File Problems