to my computer. I would really appreciate any help from the forum."
Can you tell us why you weren't able to use system restore? That would be one of the recommendations we would be making.
Have you performed any malware scans? Download and run RKILL, MalwareBytes, and Super Anti-Spyware IN SAFE MODE and see what happens.
Check the properties of the icons and change the path to point to the actual executable for the app you are wanting to run with the icon.