Imagehlp.dll is a module containing the Windows Debug Help library used for debugging and error handling on Windows NT operating systems and later. This program is important for the stable and secure running of your computer and should not be terminated. imagehlp.dll is also a process belonging to an advertising program by WebSearch. This module monitors your browsing habits and distributes the data back to the author's servers for analysis. This also prompts advertising popups. This process is a security risk and should be removed from your system.