https://community.checkpoint.com/t5/Endpoint/Checkpoint-Harmony-Endpoint-web-ui/m-p/271961#M11309 <P>Did you open TAC case yet?</P> Wed, 25 Feb 2026 21:51:35 GMT the_rock 2026-02-25T21:51:35Z https://community.checkpoint.com/t5/Endpoint/Checkpoint-Harmony-Endpoint-web-ui/m-p/271900#M11308 <P>Hello,</P><P>after upgrading to&nbsp;R81.20 Jumbo Hotfix Take 120, harmony endpoint web ui loads blank white page and unable to load the login form.</P><P><BR />several times tried cpstop, cpstart and reboot the management server, but no result.</P><P><BR />If you have had a similar issue, please share your experience with us.</P> Wed, 25 Feb 2026 07:40:18 GMT https://community.checkpoint.com/t5/Endpoint/Checkpoint-Harmony-Endpoint-web-ui/m-p/271900#M11308 lasharazmadze 2026-02-25T07:40:18Z https://community.checkpoint.com/t5/Endpoint/Checkpoint-Harmony-Endpoint-web-ui/m-p/271961#M11309 <P>Did you open TAC case yet?</P> Wed, 25 Feb 2026 21:51:35 GMT https://community.checkpoint.com/t5/Endpoint/Checkpoint-Harmony-Endpoint-web-ui/m-p/271961#M11309 the_rock 2026-02-25T21:51:35Z