Windows Defender blocks Citrix products and considers them to be malware
The Register noted that Citrix customers were having problems. It looks like Windows Defender is blocking Citrix products, treating them as malware, and quarantining them.
[dropcap]A[/dropcap]fter the release of KB2267602 update and Windows Defender version 1.321.1319.0, users unexpectedly found that Citrix Broker and High Availability Services could not work properly. The BrokerService.exe file is marked as malware (Agent Tesla Trojan) and is sent to quarantine.
“Those wondering when the Microsoft love-in with Citrix might end will be relieved to learn that Microsoft Defender decided yesterday that Citrix Broker and High Availability Services bore all the hallmarks of a trojn”, [...]
End of the line!
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