Instructions
Log into Windows as the user for which SecuROM is installed.
Uninstall Titan Quest if you have not already done so.
Download the SecuROM Removal Tool to your computer. See Resources for a download link.
Unzip the SecuROM Removal Tool to a location on your computer's hard drive.
Open the "SecuROM Remover.exe" file.
Read through and accept the End User License Agreement.
Review the SecuROM files that are displayed by the SecuROM Remover Tool after accepting the license agreement. Note that the remover tool will remove all SecuROM files, including those for games other than Titan Quest.
Agree to delete the files listed by the SecuROM Remover Tool. They will be removed from your computer permanently immediately after selecting "Agree."