If the upgrade proceeds, then an unsupported app is probably the cause. This will enable Safe Mode, which loads the OS without extensions. Another possibility is to power down and then power up holding the key. The action will clear out any task requiring the use of those files/services. Solution: A simple reboot (or shutdown) may be required when it comes to hanging system files or processes. Some apps have yet to make the upgrade to supporting 10.11 and may be affected by new technologies in El Capitan, such as System Integrity Protection (SIP). Also, check the vendor’s website for applications installed and verify they are 10.11 compliant. Symptoms: After downloading the OS X El Capitan Installer from the Mac App Store and executing to launch it, the install encounters an error and prevents it from proceeding with the installation.Ĭauses: System files or processes currently in use by the OS are the likely culprits. While they’re not as glaring, per se, they can still be quite annoying! So, let’s take a look at some known issues and how to resolve them. However, there are still a few issues that have come up in El Capitan. Apple chose to fill in the gaps, so to speak, and make the necessary modifications to make this release rock-solid, resolving many of the known issues that affected some Yosemite users, such as Wi-Fi and Bluetooth. OS X 10.11 is less about whiz-bang new features and more of a maintenance release. In the week that it’s been available, the adoption rate numbers have yet to come out, but the overall consensus is that this latest OS is more stable and refined than the previous OS X Yosemite was at its release. On September 30th, Apple made its latest version of OS X–El Capitan–available for download from the Mac App Store. Latest OS X got you down? Jesus Vigo reviews five of the known issues affecting El Capitan and discusses how to go about fixing these problems. How to fix five known issues affecting OS X El Capitan

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