what does the question mark mean inside the logo

It means the browser has found a file that is set to open via the QuickTime format but is not supported by that plug-in.
Web page code to browser, "Hey, we got an incoming QuickTime file. Get ready".
Browser plug-in, "Not so fast guys. I don't know what to do with that format".
Most common is Flash Video trying to open using the QuickTime plug-in.
Turn it off via QuickTime System Preferences/Advanced tab
MIME Settings/Miscellaneous
Remove the check mark for Flash Media and relaunch your browser.

If you happen to be using Safari as your main browser, then I suggest that you check out Safari 2.0 Help Webpages aren't working (indicated by boxes with question marks).

Okay, then figure this one out...

http://www.betrisey.ch/video/malevoz_MVI.AVI

Go to that page with QT 7.1.5 and Safari 2.0.4 (419.3), and you get a big blue Q with a big question mark.

But if you download that file (control-click my link, or go to http://www.betrisey.ch/videos.htm and control-click "L'Anachrone" ) and double-click it, QuickTime Player plays it with no trouble at all.

Is this another of those "security enhancements" in 7.1.5? I've got a system backup to let me roll back to 7.1.4, but I haven't tried that yet.

--Dave Althoff, Jr.

http://www.betrisey.ch/video/
I couldn't get any player (WMP, Real, QuickTime or VLC) to open any file in that directory. I tried Open URL in all of them and got errors. Browsers should the ? icon after the download was complete.
Downloaded file does play.

Very weird, isn't it? So far that's the only problem I've had with 7.1.5, but I never tried that site before so I don't know whether it's a change in Quicktime plug-in behavior or just something weird about that site. It IS the first time I've seen the dreaded question mark, and it is worth noting that the movies in question are not properly embedded in a web page.

But then, I have some non-embedded movies in my collection and they work just fine...

--Dave Althoff, Jr.

what does the question mark mean inside the logo

It is a "generic" error trap that requires the user to "look into the situation." Sometimes it is a playable file with an incorrect or confusing extension. For instance, the QT browser plug-in will trap on a MP3 file with an MPG extension and issue the "question marked logo" but open the same file in the QT Player and it will play correctly while the "Open URL" will totally ignore the file. In this case you have a Motion JPEG file with an AVI extension. QT is willing to play the file but can't using your currently defined AVI browser plug-in preferences. Usually things are much easier if you simply place the source file in an MOV file container and allow QT to use the "internals" to decide how to play the file.

Try opening the following URL or using the QT Player "Open URL" option to view it:

http://homepage.mac.com/jrwalker4/.Public/malevoz_MVI.mov