How to solve this : 'Running android lint' issue

In Window > Preferences > Android > Lint Error Checking; Uncheck "When saving files check for errors".

I hope it will helps you

The following steps helped me to solve the same issue.

1. On My Project -> Context Menu -> Android Tools -> Fix Project Properties

2. Changing to latest version in AndroidManifest.xml

   android:targetSdkVersion="21"
   

Maybe just one of them is enough :).