If Control Pannel is disabled by virus, please try this steps

 Click on start, click run or press Windows key and R simultaneously on you keyboard and paste this code ad hit enter key on your keyboad



reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoControlPanel /t REG_DWORD /d 00000000 /f | reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoControlPanel /t REG_DWORD /d 00000000 /f | reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v Start_ShowControlPanel /t REG_DWORD /d 00000002 /f