NSCocoaErrorDomain Error Code 4

I received an error message when trying to install OS X El Capitan. It's stated that my Macintosh HD was encrypting data. Therefore I could not install it. Are there any solutions to this issue?Thanks,Ken

Hi there.I want to put bordercolor with uiview by swift,but i can't do it on iOS7.----------------------------self.layer.borderColor = UIColor.blackColor().CGColorself.layer.borderWidth = 1.0---------------------------This code can be used on iOS8,but it can't be used on iOS7.In iOS7,i imported 'quartzcore' in my code,i couldn't do it.what should i do?Thank you.

Ld /Users/nathan/Library/Developer/Xcode/DerivedData/ExampleApp-adsgjtlrzvwdjxbdymykwbukmfch/Build/Products/Debug-iphonesimulator/ExampleApp.app/ExampleApp normal i386 cd /Users/nathan/Desktop/Xcode App/ExampleApp1/ExampleApp export IPHONEOS_DEPLOYMENT_TARGET=9.0 export PATH=/Volumes/Xcode/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Volumes/Xcode/Xcode-beta.app/Contents/Developer/usr/bin:/Volumes/Xcode/Xcode-beta.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin /Volumes/Xcode/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -arch i386 -isysroot /Volumes/Xcode/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator9.0.sdk -L/Users/nathan/Library/Developer/Xcode/DerivedData/ExampleApp-adsgjtlrzvwdjxbdymykwbukmfch/Build/Products/Debug-iphonesimulator -F/Users/nathan/Library/Developer/Xcode/DerivedData/ExampleApp-adsgjtlrzvwdjxbdymykwbukmfch/Build/Products/Debug-iphonesimulator -f

ADC account will now cover Mac, iOS and watchOSOne ADC membership covers all - $99/yeariOS 9 will take up 1.3 GBs of space. OS updates will automatically download overnight.iOS app-slicing - Developer submits an app to the App Store, App Store will deliver to the device only the component parts of the app that the device can use. Don't have the fast CPU on the device? App Store will leave out the fast-CPU dependent parts of the app.iOS passcode are now going from four digits by default to six.System Integrity ProtectionProtects system filesNo installing in system locationsProtects system processesFor developers, streamlined developer workflow to accommodate System Integrity Protection.Utility available in the Recovery partition to disable System Integrity Protection.IPv6:Use the standard networking frameworksAvoid IPv4-specific APIsAvoid hard-coding addresses in appsImproved right-to-left language support, important for languages like Arabic or Hebrew.Improved link support in iOS 9. Click on

Trying to login to the App Store to grab purchased apps, but I keep getting a modal error that says:Verification FailedAn unknown error occurred.Seems to happen every time I try. Anyone have a workaround?

Any documentation on this new Xcode 7 feature? The Xcode release notes say:Generics. Specify type information for collections, simplifying the code you write.Without any more detail.

Mail.app seems there is a nil error somewhere. tried to delete container and library contents for mail. after mail.app begins fetching new mails crash occurs...09.06.15 02:10:10,521 Mail[5854]: An exception occurred during invocation of -[MFMessageRouter _routeQueuedMessages]09.06.15 02:10:10,522 Mail[5854]: *** setObjectForKey: key cannot be nil09.06.15 02:10:10,523 Mail[5854]: ( 0 CoreFoundation 0x00007fff83a9031c __exceptionPreprocess + 172 1 libobjc.A.dylib 0x00007fff8a069c48 objc_exception_throw + 48 2 CoreFoundation 0x00007fff8396cb78 -[__NSDictionaryM setObject:forKey:] + 2296 3 MailCore 0x00007fff81d21ca6 -[MCJunkRecorder setImageJunkInfo:forKey:] + 98 4 MailCore 0x00007fff81d45861 -[MCMimePart(StringRendering) renderString:] + 3030 5 MailCore 0x00007fff81d449cc -[MCMimeBody(StringRendering) renderStringForJunk:renderPart:] + 264 6 MailCore 0x00007fff81d44c5b -[MCMimeBody(StringRendering) renderString:] + 141 7 MailCore 0x00007fff81d4477f -[MCMessage(StringRendering) renderBody:] + 9

It's been stuck at about 3/4 of the way there for the last 20 minutes. I got a message that iMessage was added to the watch across my iPhone & Mac, and in the Apple Watch app it says its on software 2.0.What should I do? I really dont feel like making this thing brickand bringing it to the Apple Store.