Hello bigb6611 and welcome to these forums. You'll find many helpful people here and a lot of useful information. Make sure that you:
That shorter line for SSDSampler5.vst indicates that Reaper ran into a problem when scanning it. On subsequent scans it will be ignored, until the problem is fixed and you do a "Clear cache / rescan".
You posted that they were working once. Can you recall when the problems started? Any system changes? Can you go back to that time?