hudson.util.IOException2: Failed to dynamically deploy this plugin
	at hudson.model.UpdateCenter$InstallationJob._run(UpdateCenter.java:1137)
	at hudson.model.UpdateCenter$DownloadJob.run(UpdateCenter.java:955)
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
	at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
	at java.util.concurrent.FutureTask.run(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: Unable to delete C:\Program Files\Jenkins\plugins\subversion\WEB-INF\lib\svnkit-1.3.4-jenkins-4.jar
	at hudson.Util.deleteFile(Util.java:237)
	at hudson.Util.deleteRecursive(Util.java:287)
	at hudson.Util.deleteContentsRecursive(Util.java:198)
	at hudson.Util.deleteRecursive(Util.java:278)
	at hudson.Util.deleteContentsRecursive(Util.java:198)
	at hudson.Util.deleteRecursive(Util.java:278)
	at hudson.Util.deleteContentsRecursive(Util.java:198)
	at hudson.Util.deleteRecursive(Util.java:278)
	at hudson.ClassicPluginStrategy.explode(ClassicPluginStrategy.java:389)
	at hudson.ClassicPluginStrategy.createPluginWrapper(ClassicPluginStrategy.java:113)
	at hudson.PluginManager.dynamicLoad(PluginManager.java:352)
	at hudson.model.UpdateCenter$InstallationJob._run(UpdateCenter.java:1133)
	... 7 more