If you have a third-party Anti-Virus installed on endpoints, it might block SentinelOne engine of Capture Client.
To let Capture Client co-exist with other security vendors:
See the vendor documentation to learn how to exclude applications from their security blocks.
Exclude these files and folders on the related operating system.
macOS:
/Library/Sentinel/
/Library/Extensions/Sentinel.kext
Windows:
C:\Programdata\sentinel\
C:\Program Files\SentinelOne\Sentinel Agent version\
Note: The version number is in the format: x.x.x.xxxx. For example:
"C:\Program Files\SentinelOne\Sentinel Agent 2.6.4.5961"
Linux:
/etc/selinux/targeted/active/modules/400/sentinelaudispd
/sys/fs/cgroup/devices/system.slice/sentineld.service
/sys/fs/cgroup/systemd/system.slice/sentineld.service
/usr/local/sentinelagent/
These KB articles might be helpful:
https://support.symantec.com/en_US/article.TECH104526.html
https://www.paloaltonetworks.com/documentation/80/pan-os/pan-os/app-id/use-application-objects-in-policy
https://support.norton.com/sp/en/us/home/current/solutions/v6958602_ns_retail_en_us
https://docs.webroot.com/us/en/home/wsa_pc_userguide/Content/ManagingQuarantine/BlockingOrAllowingFiles.htm
https://community.f-secure.com/t5/Business/Excluding-objects-from-Real-Time/ta-p/66013