"Installation Unsuccessful" appears when installing the Worry-Free Business Security (WFBS) Agent

- Updated:
- 30 Dec 2019
- Product/Version:
- Worry-Free Business Security Standard/Advanced 7.0
- Worry-Free Business Security Standard/Advanced 8.0
- Worry-Free Business Security Standard/Advanced 9.0
- Worry-Free Business Security Standard/Advanced 9.5
- Platform:
- Windows 2003 Enterprise
- Windows 2003 Small Business Server
- Windows 2003 Standard
- Windows 2008 Enterprise
- Windows 2008 Essential Business Server
- Windows 2008 Small Business Server
- Windows 2008 Standard
- Windows 7 32-bit
- Windows Vista 32-bit
- Windows XP Professional

Summary

The WFBS Security Agent (SA) failed to install. You got the following error message instead:

"Installation Unsuccessful."

One of the following error messages may also appear:

"The installer could not install the required solution platform. - Error code 303, Error code 304, Error code 30"
"The installer could not install the required plug-ins. - Error code 321"
"The installer could not copy the required files. - Error code 331"
"The installer could not start the Security Agent. - Error code 351"

Details

To resolve the issue, do the following:

Manually remove the old Security Agent using the SA Uninstall Tool. Contact Trend Micro Techincal Support to get assitance with using the Uninstall Tool.
Reinstall the Security Agent (SA). If you need more help with reinstalling the SA, refer to this article: Different Security Agent installation methods in WFBS