And given only this much detail can you share if Norton is or ever was on the machine? Norton along with malware damage is the usual cause.
***This is a second equest for a solution to this problem.***
When I try to restore my computer to a recomended date It seems to go thru the proceedure. Then I get a pop up stating "System Restore did not complete successfully.Your computer files and settings were not changed. W/details: An unspecified error occured during System Restore. Try a different restore date. I did that and I still get the same message. How can I restore my computer?