Document ID: SX3368876 / Created On: May 14, 2015
Author: SmartX
Symptoms
The installation of a new version of Citrix Receiver failed and the following error is displayed on the Citrix Installation console:
“Setup cannot continue because this version of Receiver is incompatible with a previously-installed version”

Cause
The previous version of the Citrix Receiver client was removed but some corrupted registry entries that are still present are causing the installation issue. Filtering on trolleyexpress.exe through process monitor (ProcMon) reveals the remaining registry entries that are blocking the installation process
Resolution
Complete the following steps to resolve the issue:
Workaround
As a workaround, delete the following legacy key if it exists in REGEDIT to allow the installation to complete successfully:
Caution! Refer to the Disclaimer at the end of this article before using Registry Editor.
Additional Reference
For advanced troubleshooting, refer CTX141751 – Citrix Receiver Diagnostics Tool – For Windows
Applies to