Xcode suddenly stopped running project on hardware: "Could not launch xxx.app: .. No such file.." [closed]

Question

That is really annoying. This error happens in a number of different situations. Sometimes restarting the Xcode, fixes the problem. If not, follow these steps:

Disconnect your device.

Delete the app from your device.

Quit Xcode (Do not just simply close the window, quit it)

Delete derived data folder (~/Library/Developer/Xcode/DerivedData/-gbrvhlvwmpiobxdujegtghggrffp - or something like that)

Now start Xcode once again, connect device and run the project. It should work fine.

from DhilipSiva blog

Try deleting "Required device capabilities" in the -Info.plist file.

You can't require armv7 on a 3G, and you can't require armv6 on any newer device, so just delete this attribute entirely.

I found the answer. The iOS deployment target's version was not the same as my device's OS version.

First tried some of the above with info.plists and deleting derived data, clean, etc.

My solution: quit XCode, reopen project. Go to derived data in Finder. Deleted data for all projects (was all trashable, but I would try deleting your troubled projectdata first). And then it worked again. Deleting derived data from XCode didn't work.

The following resolved my problem... my app worked for me in debug/release, then I built a few ad-hoc archives and debug/release builds stopped working.

Symptoms:

• invalid entitlements errors when launching from Xcode to device (play with entitlements...)
• immediate abort with no error (finished running ) when running simulator
• could not launch ... directory blabla.../build/product/debug-iphoneos/... not found when launching from Xcode to device.

Eventually after trying to benefit from everyone else's pain I found in Targets [AppName]:

Build Settings
Build Locations
Build Products Path build

should be

Build Products Path build/Products

No idea how this got set incorrectly. This must be hard-coded somewhere in Xcode/Springboard because 'Products' appears in both Xcode and in the Device console. This is Xcode 4.5.1.