Sometime, uninstalling connectors would leave old entries in the .com.zerog.registry.xml file.
Release : 4.2
Component : Catalyst Connector for SNMP-Generic
Uninstall APM and SNMP connectors left old entries in the .com.zerog.registry.xml file that are needed to remove manually.
In the file, there are separate sections for product and component from the old connectors that has to be removed before installing any new connectors.
Example for Spectrum Connector:
<product name="CA Spectrum Connector for CA Service Operations Insight" id="00298f02-1efd-11b2-8ef0-ecbfeb322d2d" upgrade_id="00298f02-1efd-11b2-8ef0-ecbfeb322d2d" version="2.0.0.1" copyright="2017" info_url="" support_url="https://support.ca.com" location="C:\Program Files (x86)\CA\SOI" last_modified="2022-02-03 14:55:36">
<![CDATA[CA Spectrum® Connector for CA Service Operations Insight]]>
<vendor name="CA, Inc." id="7f1ebb3c-1ec7-11b2-8037-c0d9e9f9d7a6" home_page="http://www.ca.com" email=""/>
<feature short_name="SpectIM" name="Spectrum IM Connector" last_modified="2022-02-03 14:55:36">
<![CDATA[CA Spectrum Connector for CA Service Operations Insight connector for the Template silo]]>
<component ref_id="9d5916e3-1f2c-11b2-95e7-f6491b0be2ac" version="2.0.0.1" location="C:\Users\Administrator\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\CA\Service Operations Insight\Uninstall Spectrum Connector.lnk"/>
<component ref_id="d8062a5d-1eeb-11b2-af3f-8d473a1338a4" version="4.2.0.1" location="C:\Program Files (x86)\CA\SOI\jre"/>
<component ref_id="5c98ab42-1ef8-11b2-859d-a73c38754bb7" version="2.0.0.1" location="C:\Users\Administrator\AppData\Local\Temp\2\I1643928846\Windows\.\How_to_Document_Catalyst_Connectors.pdf"/>
</feature>
</product>
<component id="5c98ab42-1ef8-11b2-859d-a73c38754bb7" version="2.0.0.1" name="Spectrum IM " location="C:\Users\Administrator\AppData\Local\Temp\2\I1643928846\Windows\.\How_to_Document_Catalyst_Connectors.pdf"/>