Import Java-Applet Project in Eclipse

@ home i built a java applet in eclipse now i want to port it on my working computer... eclipse version is the same as @ home and jdk also. i get following error:

Description Resource Path Location Type The project was not built due to "Could not delete '/ProgramApplet/bin/de'.". Fix the problem, then try refreshing this pro开发者_如何学运维ject and building it since it may be inconsistent ProgramApplet Unknown Java Problem

Possibly some kind of permissions error. Try deleteing the bin/de directory.