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community_admin
We have received reports of users seeing DNSCryptProxy crashing on Windows machines running the following Umbrella clients:
Umbrella standalone client: 3.0.279 and 3.0.335
AnyConnect client: 4.10
Cisco Umbrella engineering teams are working on this issue, and we will update this post once the issue is resolved.
What to look for
In Windows Event Viewer you will see an Event 1000, Application Error for dnscryptproxy.exe.
Workaround
This has been fixed in all production releases of the Umbrella roaming client.
Umbrella roaming client
Umbrella Roaming Client for Windows Version 3.0.342 (Hotfix for 3.0.279, 3.0.332)
Umbrella Roaming Client for Windows Version 3.0.343 (Hotfix for 3.0.335)
Cisco Secure Client
The 5.0.01242 version of the Cisco Secure Client also has the fix for this issue.
Cisco Secure Client 5.0.01242 Release Notes
Umbrella roaming security module
The 4.10.06090 version of the Umbrella roaming security module has a fix for this issue.
AnyConnect Roaming Security Module 4.10.06090 (Hotfix for 4.10.06079)