reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{860BB310-5D01-11d0-BD3B-00A0C911CE86}\Instance\3.0M USB2.0 Camera" /f
reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\3.0M USB2.0 Camera" /f
reg delete "HKEY_CLASSES_ROOT\WOW6432Node\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\3.0M USB2.0 Camera" /f
reg delete "HKEY_CLASSES_ROOT\WOW6432Node\CLSID\{860BB310-5D01-11d0-BD3B-00A0C911CE86}\Instance\3.0M USB2.0 Camera" /f

del c:\WINDOWS\System32\Drivers\GR300Wsys
del c:\WINDOWS\System32\Drivers\GR300W64.sys
del c:\WINDOWS\System32\GR3*.ax
del c:\WINDOWS\SysWOW64\GR3*.ax
del c:\WINDOWS\TWain_32\GR3*.ds
del c:\WINDOWS\INF\OEM*.INF
del c:\WINDOWS\INF\OEM*.pnf