Zscaler Windows Client App not Getting open or start

HI

Having Issue with zscaler app it not getting open after cicking on icon.
even services are runing details as below
OS: windows 10 20H2
Clinet version : 3.4
Troubleshoot Done:

  • Restart zscaler services manually
  • Reinstall zscaler
    *Uninstall manully with uninstaller Geak and clean all enteres and left over file of zscale
    *Manually install updated zscaler latest version

Still issue is not resolved is there any one can help.

Thanks in Advance.

Have you followed the process whitelisting guide - Zscaler Client Connector Processes to Whitelist | Zscaler