Video not playing after QuickTime 7.4 update
Several users are experiencing an issue where various QuickTime media (including movies embedded in Web pages) cannot be played after applying the QuickTime 7.4 update. Some users get audio but no video, while others get video but no audio. One reader writes:
"Upgraded to QT 7.4 (Pro). Am running 10.4.11 on a 2.2 GHZ Core 2 Duo and cannot see QuickTime content on Apple's site, at least. All of the ads, including the new Air ad, either don't display or show the QuickTime logo."
Traditional fixes for similar issues include:
- Reinstall QuickTime
- Remove ~/Library/Preferences/com.apple.quicktime.plugin.preferences.plist
- Remove QuickTime Plugin.plugin (from /Library/Internet Plugins)
- search for conflicting, third-party plugins and remove them
If you are experiencing a similar issue, please let us know.
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And yes, for the record as usual, I'm not seeing any such issues on my system. The updates installed without issue and everything is working fine.
Let me just echo what you said...
"And yes, for the record as usual, I'm not seeing any such issues on my system. The updates installed without issue and everything is working fine."
Is there any evidence that the reported QT problems afflict only certain setups? I'm running a fully updated Tiger G5 iMac. Maybe this only applies to Macintel or Leopard? Just a thought.
I have a PPC G5 2@2ghz Tiger 10.4.11 1gb RAM, 1TB HD.
I've tested all of mine (unprotected MP4 files) and they do not play on my Mac. Further testing indicates it also doesn't play with QuickTime directly (by finding the file in the iTunes folder).
It does play from VLC so it's a problem with the QT plug-in. It also won't play in FireFox via the QT plugin, reporting a QT logo with the flashing "?" error.
I removed DiVX component and that did not correct the problem. All symptoms remained the same.
I've also noted that only files in my iTunes library are affected. I wonder if the upgraded munged something?
Ihave a PPC G5 2@2ghz Tiger 10.4.11 1gb RAM, 1TB HD.
I've tested all of my movies (unprotected MP4 files) and they do not play on my Mac. Further testing indicates they also doesn't play with QuickTime directly by finding the file in the iTunes folder using QT Player. This is NOT an iTunes problem as I've seen some people say on other boards but definitely a QT problem.
The same "broken" movies do play from VLC so it's a problem with the QT plug-in and/or codec file(s). The "broken" also won't play in FireFox via the QT plug-in, reporting a QT logo with the flashing "?" error.
I removed DiVX component and that did not correct the problem. All symptoms remained the same. I tried this because DiVX is famously bad for breaking things. Further, the old standby of deleting preferences files has not changed thing.
Running QT player or Running iTunes and then opening the movie requires force quit. Running it from with a browser doesn't lock it up, though.
Movies NOT in the iTunes directory were not affected and play normally leading me to suspect it might a problem with multiple causes.
I hope this help someone figure it out.
And, I have a friend with a PC (Windoze) and <b>it does the same thing on his</b>. This is a BIG problem. More and more posts appearing over at Apple.COM about this.
Reinstalling Quicktime 7.4 worked for me.
Thanks MacFixIt!
Also, when we speak about "videos not playing", are we speaking about "Macbook Air" videos on Apple.com ? They seem to hide controller (play/pause ,progressbar) via file metadata (it is possible) for the first time. So a "white window" without any controller appearing may be understood as plugin not working.
Check this for instance to see what I talk about:
http://www.apple.com/macbookair/guidedtour/index.html?size=small
"Remove ~/Library/Preferences/com.apple.quicktime.plugin.preferences.plist"
- by Juicy January 19, 2008 10:07 PM PST
- Some videos work for me. But not those in this format: "Apple MPEG4 Decompressor". Those in "H.264 Decoder", for example, work.
- Like this Reply to this comment
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(11 Comments)I haven't yet tried the recommended fixes.
-B...