Why does my application icons have a cirle with a slash on them?

why does my application icons have a cirle with a slash on them?

That means those applications cannot be run on your computer.
There are many different reasons why that situation could arise, but without more information all we can do is speculate / guess. For example, you upgraded the OS and the apps will not run in the new OS.
If you need more specific answers.ost back with more information, e.g. what version of Mac OS X? when did this first occur?

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  • Why does my browser constantly have to stop playing when watching You Tube?

    Why does my browser constantly have to stop playing when I watch You Tube or other videos?
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    http://support.apple.com/kb/HT3964
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  • Why does my iphone  4 have a 3g indicator

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    KiltedTim wrote:
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    I cannot send an email from my iPad 2? No problem receiving, why does this happen? Have tried the suggestions for setting up email and after doing the sync mail through iTunes receiving worked great but still cannot send? Any help would be great!

    The fact that you can receive means you have a valid e mail address, and have established the connection to the incoming server, so all of that works.  Since the send does not work, that means your outgoing server is rejecting whatever settings you used formthe outgoing set up.  Try them again. 
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  • Why does my itunes crash after start up with an "APPCRASH" error every time i open it?! I have been trying to fix this for weeks but all i can do it re-install it every other day which does nothing!

    Why does my itunes crash after start up with an "APPCRASH" error every time i open it?! I have been trying to fix this for weeks but all i can do it re-install it every other day which does nothing! I am desperate to get access to my itunes to get music on my phone and all of this just makes me want me to sell my iphone since there is no other way to add music to my phone. If things go get sorted soon you can say goodbye to my support.

    For general advice see Troubleshooting issues with iTunes for Windows updates.
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    The further information area has direct links to the current and recent builds in case you have problems downloading, need to revert to an older version or want to try the iTunes for Windows (64-bit - for older video cards) release as a workaround for installation or performance issues, or compatibility with QuickTime or third party software.
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  • Why does itunes in France have a complete lack of english language content on the TV programmes... prefering to release dubbed programmes and not the original english language content, surely it will cost nothing to release both?

    Why does itunes in France have a complete lack of english language content... prefering to release dubbed programmes and not the original english language content?
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    The content has been adapted for the french site all i want is to access the original.
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    Try giving Apple feedback: http://www.apple.com/feedback and also contact the Apple headquarters at http://www.apple.com/contact  We are all fellow users and not Apple employees and often raise questions like yours ourselves.  If enough make Apple aware of a market/need then something may be done about it.
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  • Why does front row not have simple organization?

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  • Why does iTunes say I have two different total numbers of movies?

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