Task Manager “MIA”

I’ve been having a bit of computer trouble latly and and I have pretty much solved everything on my own ecept when I try to open Task Manager it will open and imidiatly close itself, I’ve tried all of the ways I know to open the Task Manager but none of them seem to work, I was wondering if anyone here could tell me another way to see all of the running processes on my computer, perferable and webiste or cheap program

TIA

mooerman87@comcast.net