[imp] Fatal Errors

[Cody Harris]

Warning: main(C:\http\imp\lib/../../lib/Browser.php) 
[<http://www.php.net/function.main>function.main]: failed to create stream: 
No such file or directory in C:\http\imp\lib\base.php on line 25

Fatal error: main() [<http://www.php.net/function.main>function.main]: 
Failed opening required 'C:\http\imp\lib/../../lib/Browser.php' 
(include_path='.;c:\php4\pear') in C:\http\imp\lib\base.php on line 25

I'm on a windoze server. Can someone help me out? I couldn't find any docs 
about it.