Sync problem with 019 but not with 018

Here it is:

C:\WinAVR-20100110\bin;C:\WinAVR-20100110\utils\bin;%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;C:\Program Files\Common Files\Roxio Shared\DLLShared;C:\Program Files\Common Files\Roxio Shared\10.0\DLLShared;C:\Program Files\QuickTime\QTSystem\