Index: java/AEInstaller2-Updater/src/net/oni2/aeinstaller/updater/backend/Paths.java
===================================================================
--- java/AEInstaller2-Updater/src/net/oni2/aeinstaller/updater/backend/Paths.java	(revision 852)
+++ java/AEInstaller2-Updater/src/net/oni2/aeinstaller/updater/backend/Paths.java	(revision 1013)
@@ -23,4 +23,5 @@
 		String jarPath = Paths.class.getProtectionDomain().getCodeSource()
 				.getLocation().getPath();
+		jarPath = jarPath.replaceAll("\\+", "%2B");
 		String decodedPath = null;
 		try {