Portable Start.exe is part of a product called known as PStart and the developer is Pegtop Software .
If you think that this file contains a virus or another malware, please download a virus scanner.
If Portable Start.exe is using too much CPU or too much memory in your system, it is possible that your file has been infected with a virus. Installing an antivirus is recommended.
Not all processes can be uninstalled without the help of a 3rd party tool, especially malware. To see if it can be uninstalled, first go to Start > Control Panel > Add/Remove programs and select PStart from the list to remove the process Portable Start.exe from your computer.
If you have any problems with Portable Start.exe, you may try using a registry cleaner or a speed-up software to check, analyze, and fix problems that are affecting the performance of your computer.
You may try contacting Pegtop Software, the developer of Portable Start.exe and ask for more information.