Most likely the import method you are using requires lots of server resources, thus the procedure hangs. Try to make max execution time, memory limit and other resources as big as they can be.
If it still won’t work, you can use alternative solution for importing, like Store Manager for Magento which handles the process directly from PC if you set up bridge connection. In any case, you can try it out, as there is 14-days free version of the application. You can download it here -
Let me know if you need my assistance.
Try out easy-to-use Magento Import/Export tool. A fully-functional 14-day free version of
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