I moved my Android project to a laptop and now I get this when I hit Debug. Sounds like this is a bug? This shouldn’t happen via Eclipse as far as I know.
Re-installation failed due to different application signatures.
The weirdest thing is this happened after I upgraded sdk/adt and Eclipse to support SDK 2.2 It was working fine earlier, and now it doesn’t, so it might be a bug.
It happens because keystores on your laptop and original pc are different. it’s called debug.keystrore
and located in
%USER_HOME%/.android/folder. TO be more specific it happens because eclipse tries to push apk with reinstall key. So you have two options