start.exe is a process belonging to an advertising program by Secret-Crush.
This process 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.
Please see additional details regarding this process.
Note: start.exe also relates to the Domain Logon Script authoring tool which is a small utility designed for implementing Microsoft Networks.
Non-system processes like start.exe originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that your registry has suffered fragmentation and accumulated invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues