Manually remove it (new folder.exe Fix)Go to:- Start -Run- typeRegedit& click okDelete File named. "svichossst.exe"[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System] “@”=[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run] “Yahoo Messengger”=[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] “Shell”=”Explorer.exe