Defender reporting this after last H2O update...

[PA-WOODCHUCK]

Just started with last win10 H20 update.
No changed made to PC before this
any ideas?

C:\program files\windowsapps\facebook.317180b0bb486_750.4.124.0_x64__8xx8rvfyw5nnt\app\messenger.exe

 

[bassfisher6522]

That looks like the Messenger App. Which is part of Facebook through MS Store. I'm think it's part of Windows 10 now.

 

[Wolfie]

The link below suggests resetting the Facebook app!. Not sure if the actual posts below is relevant in your case?.

Windows 10 Facebook App - Microsoft Community