w3wp.exe Appcrash Issue (0xe0434352) - API response as Could not get any response

Issue Information:

Steps to Analysis:

1. Open IIS and Check the Domain has separate IISPool(If not create and assign).
2. Check .Net Framework version which should greater than or equal to application version. refer https://docs.microsoft.com/en-us/dotnet/framework/migration-guide/how-to-determine-which-versions-are-installed
3. Open Event Viewer and check Error and Information Level Details.








HotFix for Exception code: 0xe0434352 and Event ID :1000 :

1. Open IIS (Run -> inetmgr)
2. Click on Application Pools and select the appropriate ApplicationPool and click on Advanced Setting
 

 3. Set Enable 32-Bit Applications as True and Click on Ok

 

4. Now click on Recycle
5. Restart application in iis

Now hit the API and get response.

Thanks..