punta ka sa control panel add/remove or program feature> unistall program. doon mu tinginan ku anu tamang version ng DF mo
para maunistall namn install mu ulit un installer then unistall
hind na format na maigi yan dapat kasi format start at lower version like xp kasi kung direct win7 nd sia totally deep erase
and first backup your files before you proceed to formatting
brod kaya naghahang ung pc mo kasi 1gb lang mem. at my photoshop kapa mabigat yan 1gb lang naman mem, mo at may virus yan ..
try mo restoredefaulf. at pag ganun parin reformat mo na