The following error message appears when you try to install the Security Agent:
An error has stopped the installation of Trend Micro Worry-Free Business Security Agent. No changes were made in the machine. Please try to execute the installation program later.
Click in the button in the button below to close this window.
To resolve the issue:
- Download the fix tool from Microsoft and run the fix tool on the problematic computer. Refer to this Microsoft article: You cannot install some updates or programs.
- Repack the Security Agent installation package.
- Remove all of the components of the Security Agent using the Uninstall Tool. Contact Trend Micro Technical Support for assistance in getting and using the Uninstall Tool.
- Install the Security Agent using the repacked MSI package.
- Set Cryptographic Services to Automatic, and then try to install the program again. Follow the procedure under Method 1 in this Microsoft article: You cannot install some updates or programs.