[cherokee]

now im not computer literate and i havent got the foggiest how they work .but im having major problems with my pc ... i got a virus some time ago when i opened a zipped folder by mistake so i tried to reformat an do system restore but to no avail i got norton av on it which seems useless ..but my real problem is every half hour or so my pc goes into system shutdown and i cant stop it or do anything with it .it just says system will now shut down and restart and gives a code which is 1073741819 just wondered if there is anyone who could advise me on what this is and why its doing this and is my pc comletely shot at