What's the URL of the page containing the problem?
http://www.reviewboard.org/docs/manual/dev/admin/installation/windows/
Describe the problem and any recommendations below.
As of 4/5/2010, PySVN is unavailable in binary form for Windows Python x64
bit. Manual compilation is possible, but very difficult. We suggest using
Linux via a Virtual Machine or utilizing 32-bit Python on Windows.
Please provide any additional information below.
http://groups.google.com/group/reviewboard/browse_thread/thread/b368c0ada20bb
2fe
