visual damage

So both my Minecraft launcher and Wallpaper Engine randomly get these white pixels all over it, I'm not sure why. Its been like this for a while, I just got the new Nvidia update today and that didn't help. Please help if someone knows why this is happening to me. View...

𝐂𝐏𝐔 : 𝐑𝐲𝐳𝐞𝐧 𝟕 𝟐𝟕𝟎𝟎𝐱 𝐑𝐀𝐌 : 𝐂𝐨𝐫𝐬𝐚𝐢𝐫 𝐕𝐞𝐧𝐠𝐞𝐚𝐧𝐜𝐞 𝐃𝐃𝐑𝟒 2x4GB 𝟐𝟒𝟎𝟎𝐌𝐡𝐳 𝐆𝐏𝐔 (𝐆𝐓𝐗 𝟏𝟎𝟔𝟎 𝟔𝐆𝐁) 𝐏𝐒𝐔 (RM550x Gold) 𝐌𝐨𝐭𝐡𝐞𝐛𝐨𝐚𝐫𝐝 (𝐀𝐬𝐮𝐬 𝐩𝐫𝐢𝐦𝐞 𝐁𝟒𝟓𝟎-𝐏𝐋𝐔𝐒) Hi i've been experiencing issues with sluggish framerates, high or low dosen't matter my frames jump from fluid and smooth to slowed and sluggish randomly...