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Beterhans Pan Level 1 Level 1

I'm Under OS X 10.8.2


Today I received an update about skitch. them I clicked the update button. the update process started.

until the progress bar reached 70% it give me an error "Skitch failed to download, Use the Purchases page to try again." them I went to the Purchases page, it give me a red text waring. "an error has occurred" I clicked the INSTALL Button again. it give me the progress bar again but for about 1-2 seconds.

the progress bar is about 80% full but reported "12.88 MB of 12.88 MB less than a minute" them the same error again "Skitch failed to download, Use the Purchases page to try again."


Now I wonder that can I do?

Clear the downloaded cache them try again?


but where is the cache?


I googled there is no Appstore folder at ~/Library/Application Support

MacBook Pro, OS X Mountain Lion
Solved by Beterhans Pan on Sep 28, 2012 8:19 AM Solved

Hi bennlloyd1

Actually I've tried delete all the content in ~/Library/Caches/ before you told me.

but it's not solve my problem the Skitch progress still at 80%. and could not be downloaded again or be  canceled.


I googled for another hour... the solution is to use the activity monitor to monitor the app store's procress. download a new app to see files opend by the app store. Finially I found the location of the real caches!!!


for me it's



I did rm -rf * under the folder them download again. Problem got solved!


Reply by Rob@Bis on Nov 6, 2012 6:20 AM Helpful

open terminal and type


open $TMPDIR../C/



then delete the folder



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