Please verify these
Go into Control
Panel / Internet Options
Start Internet Explorer. Click on Tools / Internet options.
Click the Advanced
Ensure that all "Use TLS 1.0, 1.1, 1.2" have checkmarks.
Uncheck all "Use SSL x.x"
Click the Contents tab and click the "Clear SSL state"
Click Apply, then OK.
Close and restart Quicken and see what happens.
But that might not
resolve any issues that Quicken has with not being able to access the Internet.
Double-check your Firewall / Antivirus settings to ensure that the Quicken
program (C:\[full and correct path name here]\qw.exe) always has permission to
establish outbound Internet connections.
If your AV / Firewall software creates log files, please review them, if
necessary with the help of your AV software support team. That might show the
problem and give you a way to easily resolve it.
Also please review https://www.quicken.com/support/connectivity-troubleshooting
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
Are you getting
"Oops, something went wrong"?
Have you recently enabled a VPN? If so, this might be the problem. Try turning
the VPN off and see if that helps.