Log in to NetFirm CS, as NetClient CS or NetStaff CS ...
https://cs.thomsonreuters.com/ua/netfirm/admin_cs_us_en/kb/log-in-to-netfirm-cs-as-netclient-cs-or-netstaff-cs-continuously-prompts-for-login-causing-login-loop.htm
To resolve the portal login looping conflict on your workstation, follow these steps: Open Internet Explorer. Choose Tools > Internet Options. Click the Security tab, select Internet as a zone, and reset the security settings to the default by pressing the Default Level button.
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