[Bug 12718] Typing the username in MSN Messenger 7.5 is really slow

http://bugs.winehq.org/show_bug.cgi?id=12718

--- Comment #7 from Hans Leidekker   2008-07-11 03:34:22 ---
> As a suggestion, it could be a wininet bug.  Should wininet be caching the
> file and returning the cached version instead of downloading it every time?

Yes, I did check that, but HttpOpenRequest is called with flags
INTERNET_FLAG_RELOAD |
INTERNET_FLAG_NO_CACHE_WRITE |
INTERNET_FLAG_KEEP_CONNECTION |
INTERNET_FLAG_IGNORE_CERT_CN_INVALID |
INTERNET_FLAG_NO_UI

which suggests the file should not be cached.