Computer problem?

當用右鍵點擊一些檔案時，例如word douc , jpg圖......任何嘢除了D folder , 個mon 都會閃一下，禁唔到 禁右鍵 應該會出既嘢 而且一定會去番desktop 。仲有D 檔案，folder 個位置都唔同曬

how to solve it thanku very much