calc.exe

Hi all.. I have a bizarre situation happening in my PC. Here it goes.. Few months back, My computer's behaviour was haywire.. All of a sudden calculator program pop-up randomly..say about 50-100 calc.exe pop-up.. I have to manually close them.. At tht point I was not having a AV.. Had only...

Hi, I have designed my own calculator and i want to use it instead of Calculator which ships with XP version. So for this I overwritten calc.exe file in \windows\system32 folder with my calc.exe file, but i found, xp restores original file and i am unable to use my calculator. Is there...