CDviewer Is Not Responding

How to troubleshoot when Studio throws an exception "CDviewer is not responding" while interacting with Citrix server?

Error Message: 

Approach #1: 

  • Add the below registry and restart the system:

 

  • On 32-bit Windows:

Location: HKEY_LOCAL_MACHINE\SOFTWARE\Citrix\ICA Client
Name: VdLoadUnLoadTimeOut
Type: REG_DWORD
Data: Any value in seconds (Decimal)

 

  • On 64-bit Windows:

Location: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432node\Citrix\ICA Client
Name: VdLoadUnLoadTimeOut
Type: REG_DWORD
Data: Any value in seconds (Decimal)


Approach #2: Try with different version of Citrix receiver.