As mentioned in an earlier article by MacFixIt's Topher Kessler, users may encounter issues when attempting to download Apps or App updates from the Mac App Store. Apple has now posted a knowledge base article describing a likely solution for most users.
When clicking the updates icon at the top of the Mac App Store window, the application may become unresponsive. This issue could be related to third party NTFS software including partitions with certain Windows NTFS file systems.
To alleviate the issue, navigate to System Preferences > Spotlight and click the Privacy tab. Add any of your NTFS … Read more