Every time I boot my laptop i get a message 'The Procedure entry point-NSConcreteStack could not be located in the dynamic link library CoreFoundation.dll.

The Procedure entry point-NSConcreteStack could not be located in the dynamic link library CoreFoundation.dll.
I get this message every time I boot my laptop...I have uninstalled itunes and all its files and re installed three times....exactly the same result

For general advice see Troubleshooting issues with iTunes for Windows updates.
The steps in the second box are a guide to removing everything related to iTunes and then rebuilding it which is often a good starting point unless the symptoms indicate a more specific approach. Review the other boxes and the list of support documents further down page in case one of them applies.
Your library should be unaffected by these steps but there is backup and recovery advice elsewhere in the user tip.
tt2

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