Recent appstream update fails to launch

Question

A recent appstream update appears to be causing issues on some machines.

Specifically when attempting to launch on some machines it never opens.  Upon reviewing Windows event logs it shows:
Fault bucket 1612169176490401806, type 5
Event Name: CLR20r3
Response: Not available
Cab Id: 0

Problem signature:
P1: appstreamclient.exe
P2: 1.1.414.0
P3: 6261ce2a
P4: mscorlib
P5: 4.8.4400.0
P6: 60b90614
P7: 426e
P8: 12
P9: System.IO.FileNotFoundException

and
Application: appstreamclient.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.IO.FileNotFoundException
   at CefSharp.CefSettingsBase..ctor()
   at AppStream.Cef.InitializationUtils.InitializeCefSharp()
   at ViewerApp.App..ctor()
   at ViewerApp.App.Main()

Does anyone know where I can obtain older versions of the Appstream client until they work out this bug? Perhaps 1.0.407 or 1.0.375?

Accepted Answer

You can get different client versions by changing the URL to the client you are looking for.

Here is 1.0.407.
https://clients.amazonappstream.com/installers/windows/AmazonAppStreamClientSetup_1.0.407.exe

Please look at the [client release notes](https://docs.aws.amazon.com/en_us/appstream2/latest/developerguide/client-release-versions.html). That version is pretty old, and may have bugs or not be supported.

I would recommend you reinstall the latest version and reboot. If you are still having an issue, please open a support case.

Answer

Thanks so much Jeremy!

Rolling back to 1.1.398 instantly resolved our issues on all machines.  We disabled the automatic update feature and will just continue to use that until the bugs are worked out of 1.1.414.

Recent appstream update fails to launch

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