Manually uninstalling a System Agent on Windows

Products

• CA Workload Automation AE - Business Agents (AutoSys)
• CA Workload Automation AE - System Agent (AutoSys)
• CA Workload Automation AE - Scheduler (AutoSys)
• Workload Automation Agent
• CA Workload Automation AE

Issue/Introduction

When i try to uninstall a windows System Agent using the Agent's uninstaller exe, this error is seen:

Is there a way to manually uninstall it?

Cause

The System Agent's JRE may be in an invalid state or some of the System Agent's files have been corrupted or deleted at some point.

Environment

Component : CA Workload Automation System Agent

Resolution

To remove the Agent manually:

Make sure the Agent service is stopped.
Manually delete the Agent install directory.
Delete the Windows service by running regedit and navigating to:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services

Right-click the Agent service and delete the key.