Can't open WMV files in Quicktime since Snow Lep upgrade.....

I Can't open WMV files in Quicktime since Snow Leopard upgrade
I get an error message saying 'Quicktime player must be installed to run this application'
This is happening on both of my macs
Any help appreciated

I had this problem. Double clicking the WMV file produced the message you had. However, if I open by dragging the WMV file onto the QuickTime X icon in the dock it did indeed open.
I then looked at the WMV's Get Info window and found that it was set to open in WMV Player by default. Obviously I do not have WMV Player installed. The drop down menu on this setting did have QT Player as the other option. When I changed the option to QT Player as default the "Change All" button became active. Previously it had been greyed out. Things have been OK since, but I have not tried it on any new WMV files.

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Problem with opening .wmv files in QuickTime since Snow Leopard upgrade

Until upgrading to Snow Leopard any .wmv files would open automatically in QT when double clicked.
I now get an error message which says "QuickTime Player must be installed to run this application".
I can open the file by launching QT(pro) and opening it from within the player - kind of a long way round.
Any suggestions what the fix might be would be gratefully received
Thanks

Hi,
try upgrading your Flip4mac plugin to the new Beta version which supports Snow Leopard.
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Reinstall Flip4Mac.
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Quicktime X is a great little piece of software. However, Quicktime X is very finicky on which codec/file format it can decode/play.
Luckily, there are DOZENS of alternative video/media players and extensions available for the Mac. Some of them are even FREE. Some of the better FREE ones include...
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http://www.macupdate.com/app/mac/22923/perian
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http://support.apple.com/kb/DL923
VLC Media Player
http://www.macupdate.com/app/mac/5758/vlc-media-player
NICEPLAYER
http://www.macupdate.com/app/mac/15136/niceplayer
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Until last week I had Lion on iMac and IOS5 on iPad. I was able to log on to my work network server (school network, I am a teacher) and open powerpoint, word or excel files in keynote, pages or numbers on my iPad. I then upgraded to IOS6 and now none of the files will open up on my iPad. I get the open in screen when I choose a file to open, then nothing happens.
In the meantime, I upgraded my iMac from Lion to Mountain Lion. Since I was having problems accessing my work files and viewing them on my iPad, I decided to buy Keynote on my iMac in the hope that I could get on with some work on iMac rather than iPad. I logged on to my school server and tried to open a powerpoint file and for some reason it downloads it as a pptx.exe and if I try to open it I get an error message saying "You can't open the application xxx.pptx.exe because Microsoft Windows applications are not supported on OSX". It shouldn't be a .exe file it should just be a powerpoint file! When I open Keynote and look for available files on my iMac, the file I just downloaded is greyed out.
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I am able to open attachments in emails and I am able to log on to the school VLE and access and open files. So it is just something to do with opening from the normal file system that I can't do.
I posted in the iPad and iWork forum and had no replies. However, Apple iWork team have contacted me after reading my post re the iPad issue of opening files from my network. I've provided info to them and am waiting for a response, but in the meantime I have now discovered there is also an issue on my iMac. Hopefully they will read this too or someone else will perhaps know what is going on.
It is a worry that I can't do any work using my Apple products seeing as I have bought them! I have had to go back to bringing my windows laptop home everyday which I hope is a short term solution. I have loved the fact that I could access everything on my school network from my iPad in the past and not have to drag a laptop around. I am also worried that this means pupils can't access the files too if they are using Macs, iphones, ipads etc and have upgraded to Mountain Lion or IOS6.
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Thanks for the response but I think you've misunderstood the problem. I can not open any type of PowerPoint file off my server in keynote. This includes .ppt and .pptx files. (Also includes .doc, .docx, .xls, .xlsx in pages and numbers).
Even if what you said worked it would take forever to go through every file and save them all as ppt 2007. Plus of course, I don't know what files I will need when. There are hundreds of resources I need to access when I'm at home. I need the flexibility to view the files when i need to and on the go. Normally I can download them off my school network on to my iPad in keynote and edit them then I email them back to myself ready to use the next day or to save back to my network. Currently I can not download any Microsoft office file. So I am now forced to have to lug my laptop home everyday, rendering my iPad and iMac useless. I can't pre-empt what I'll need and save it as .ppt as that is completely inflexible and that won't open anyways as this is not an issue with the version of PowerPoint file. This is an issue with how all Microsoft files are downloading from my school network to my iPad and iMac. I want Apple to allow this to work like it used to before the upgrades in operating systems. I wish I hadn't upgraded as it worked perfectly. :(

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Install Flip4Mac - VersionTracker or MacUpdate.

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CC desktop lists applications as "Up to Date" when they are not
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-and added step https://forums.adobe.com/thread/1529654
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-and a Java update https://forums.adobe.com/thread/1507936
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Can't open .WMV files

After years of using QuickTime with Flip4Mac to open .WMV files, suddenly it won't work. Not sure if this is a QuickTime or Flip4Mac issue, but thought I'd post here first. I have the most current version of both apps. FWIW, the only thing I've done recently (since last successfully viewing a .WMV file) is install 10.6.2, which shouldn't be the culprit or it would be headlined all over the internet. Here's what I get when trying to open a .WMV file:
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Unfortunately, the latest version of QuickTime does not have the ability to export using third-party plug-ins, however Apple has made QuickTime 7 available to install alongside QuickTime X. You can install it from the Snow Leopard install disk or by running a Quartz (*.qtz) file.
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I used to be able to play a library of .wmv files in Quicktime with no problems but all the sudden, I received an error message saying, "can't play this movie". They are only short 1-2 minute clips.
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Can you help? Thanks, Samattjack

QuickTime has never even opened Windows Media Player formats without third party software help:
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When I try to open avi files with quicktime .5 i am told that Quicktime needs soe extra files and am taken to the quicktime page on appl.com What files do i need? Any suggestions welcome!

'AVI' is a container which can house a variety of codecs.
These are the downloads and the settings you need in order to view/hear pretty much everything that the net can throw at you: The setup described below has proved repeatedly successful on both PPC and Intel macs, but nothing in life carries a guarantee!
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Assuming you already run Tiger versions OS 10.4.11 and have Quicktime 7.2 or above, and are using Safari 2 or 3, download and install (or re-install even if you already had them) the latest versions, suitable for your flavor of Mac, of:
RealPlayer 11 (which is no longer in beta) for Mac from (you may need a different site for the US):
http://uk.real.com/player/mac/
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Perian from http://perian.org/
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Now go to Safari Preferences/Security, and tick the boxes under Web Content (all 4 of them) to enable Java.
Lastly open Audio Midi Setup (which you will find in the Utilities Folder of your Applications Folder) and click on Audio Devices. Make sure that both Audio Input and Audio Output, under Format, are set to 44100 Hz, and that you have selected 'Built in Audio'.
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You should also consider having the free VLC Player from http://www.videolan.org/ in your armory, as this plays almost anything that DVD Player might not.
There is an additional 'fix' you could try if you are having problems with Flash and Quicktime, depending on which type of Mac you have:
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On PPC Macs, go to the Hard Disk/Library/Internet Plug-Ins folder, and drag the file 'QuickTime Plugin.webplugin' to the desktop. Quit and restart Safari. If things have improved you can trash that file. If they haven't put it back, as the lack of this plug-in can cause QT content in some widgets to cease functioning.
And now there is an additional kid on the block: SilverLight. Microsoft has created their own version of what a replacement for Flash should be. You can read more about it here:
http://silverlight.net/
So, if you go to any sites that have been designed for this new Silverlight stuff, you can download the plug-in from here (but make certain that you are downloading SilverLight v.1.0 for OS X (10.4.8 upwards):
http://silverlight.net/GetStarted/
FOOTNOTE
If you are running Leopard:
Some users have mentioned that the latest Flash Player (v.9.0.115.0) conflicts with Leopard, and that they have needed to revert to v. 9.0.47. This can be downloaded from here:
http://kb.adobe.com/selfservice/viewContent.do?externalId=tn_14266&sliceId=1

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Thanks

Lynnie Marie ---
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G

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Talk to Apple support about updating your permissions - that may be it.

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