When i installed 64 bit appx it worked fine on that config, but when installed on 32 bit config, appx launch is not working and throwing error in event below mentioned below.
An attempt to register a process failed because the target host was not in a valid state to receive process registrations.. Activation phase: COM ActivateExtension
then next launch onwards below error,
Activation for DellInc.DellSupportAssistforPCs_htrsf667h5kn2!App failed. Error code: The app didn't start.. Activation phase: COM ActivateExtension