Plugin doesn't work on Windows XP

[th3mon]

I've installed command line client:
http://www.sliksvn.com/en/download

In command svn -h works fine.

When I click "Tortoise commit" command in Sublime Text 2 console I've got:
Traceback (most recent call last):
File ".\sublime_plugin.py", line 356, in run_
return self.run(edit, **args)
File ".\TortoiseSVN.py", line 45, in run
File ".\TortoiseSVN.py", line 12, in execut_command
File ".\subprocess.py", line 633, in init
File ".\subprocess.py", line 842, in _execute_child
WindowsError: