I am not sure what do I have to look for but in the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment I have a row:
Path REG_EXPAND_SZ C:\Program Files\CollabNet\Subversion Client;%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;C:\strawberry\c\bin;C:\strawberry\perl\site\bin;C:\strawberry\perl\bin; But the strange thing is that now, when I open the cmd window and type set PATH I already get the expanded PATH. Very strange. I have no idea what did I do to this machine. Anyway it works now. Thank you for your suggestions. regards Gabor