Stuck in loop with logon to Quicken.com? Quicken fails to start? Quicken won't let me save changes to lists or transactions (Windows 10)
Check if Windows Defender feature Ransomware protection is enabled. If so, configure it to add Quicken as an "allowed app" without turning off Ransomware protection:https://community.quicken.com/discussion/7857675/faq-windows-defender-controlled-folder-access
