Tweaking.com - svchost.exe Lookup Tool is another tool made for fellow techs toolboxes and for users who need the extra information.If you have ever noticed svchost.exe in your task manager taking a significant amount of memory or high CPU usage, you may wonder why. svchost.exe is used to run certain services in Windows and provide you with details.With Tweaking.com's svchost.exe Lookup Tool, you can see all currently running svchost.exe on the system and what service each is referring to. You can now see which of the services is the problem. :-)As an added feature you can view detailed information about the service right from the program.