This is the pdf build error:
Could not delete: D:\meins\workspace\Dissertation\out\Dissertation.pdf.

org.eclipse.core.internal.resources.ResourceException: Problems encountered while deleting resources.
	at org.eclipse.core.internal.resources.Resource.delete(Resource.java:677)
	at org.eclipse.core.internal.resources.Resource.delete(Resource.java:637)
	at net.sourceforge.texlipse.builder.TexlipseBuilder.moveOutput(TexlipseBuilder.java:684)
	at net.sourceforge.texlipse.builder.TexlipseBuilder.fullBuild(TexlipseBuilder.java:572)
	at net.sourceforge.texlipse.builder.TexlipseBuilder.build(TexlipseBuilder.java:76)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:593)
	at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1044)
	at org.eclipse.core.runtime.Platform.run(Platform.java:783)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:168)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:202)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:231)
	at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1044)
	at org.eclipse.core.runtime.Platform.run(Platform.java:783)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:234)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:253)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:282)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:139)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:200)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:76)


This is the error for the latex build problem:
Error:
Launch configuration Preview Document (1) at D:\meins\workspace\.metadata\.plugins\org.eclipse.debug.core\.launches\Preview Document (1).launch does not exist.

org.eclipse.debug.core.DebugException: Launch configuration Preview Document (1) at D:\meins\workspace\.metadata\.plugins\org.eclipse.debug.core\.launches\Preview Document (1).launch does not exist.
at org.eclipse.debug.internal.core.LaunchManager.createDebugException(LaunchManager.java:612)
at org.eclipse.debug.internal.core.LaunchManager.getInfo(LaunchManager.java:592)
at org.eclipse.debug.internal.core.LaunchConfiguration.getInfo(LaunchConfiguration.java:349)
at org.eclipse.debug.internal.core.LaunchConfiguration.getType(LaunchConfiguration.java:272)
at net.sourceforge.texlipse.viewer.ViewerManager.closeOutputDocument(ViewerManager.java:162)
at net.sourceforge.texlipse.builder.TexBuilder.buildResource(TexBuilder.java:157)
at net.sourceforge.texlipse.builder.AbstractBuilder.build(AbstractBuilder.java:121)
at net.sourceforge.texlipse.builder.TexlipseBuilder.fullBuild(TexlipseBuilder.java:560)
at net.sourceforge.texlipse.builder.TexlipseBuilder.build(TexlipseBuilder.java:76)
at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:593)
at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1044)
at org.eclipse.core.runtime.Platform.run(Platform.java:783)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:168)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:202)
at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:231)
at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1044)
at org.eclipse.core.runtime.Platform.run(Platform.java:783)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:234)
at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:253)
at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:282)
at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:139)
at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:200)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:76)