Just follow these steps

Go to the start and type regedit in run

Find the following registry entries and values using the Regedit "Search" function and select "Delete" when found:
Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run for nwiz.exe,Value: @;
Key: software\microsoft\windows\currentversion\run\alchem, Value: @;
Key: software\microsoft\windows\currentversion\run\zzb, Value: @. "

local machine . / software/ microsoft/windows/current version/run/Rav tim xp/delete /restart/ search for New folder.exe delete it