Please help me to remove it

I have virus in my pc and i can not open my all xls , doc , and all office related files and error appear ===DATA Error [47 0F 94 93 F4 K5]===this when i open any file plz plz plz help me i have lot o ...

Please help me , I have a virus in my pc and my folder option is not showing in tools menu i want remove virus and come back the option folder in tool menu Thanks please sooon

Please help me spyware quake is active in my startup bar and not removing please give me some help to remove it \I shall be thakfull to you

Please help me to remove this virus , my computer is to mush slow and if i use any dos comand computer restart automaticaly and all folders have the same folder in it, and when i will open it so my do ...