Search the Trend Micro Support site for "Error code 302".
- Manually remove the old Security Agent using the SA Uninstall Tool. Refer to this solution: Manually uninstalling the WFBS Agent using the uninstall tool.
- Reinstall the Security Agent. For the procedure, refer to this KB article: Different Security Agent installation methods in WFBS.
Note: You can go to the C:\Windows\Temp\WFBS_Debug folder to check the installation logs and identify components that cannot be removed.