Error
org.xmlpull.v1.XmlPullParserException: only 1.0 is supported as <?xml version not '1.1' (position: START_DOCUMENT seen <?xml version=\'1.1\'... @1:19) 
	at org.xmlpull.mxp1.MXParser.parseXmlDeclWithVersion(MXParser.java:2608)
	at org.xmlpull.mxp1.MXParser.parseXmlDecl(MXParser.java:2592)
	at org.xmlpull.mxp1.MXParser.parsePI(MXParser.java:2466)
	at org.xmlpull.mxp1.MXParser.parseProlog(MXParser.java:1447)
	at org.xmlpull.mxp1.MXParser.nextImpl(MXParser.java:1395)
	at org.xmlpull.mxp1.MXParser.next(MXParser.java:1093)
	at com.thoughtworks.xstream.io.xml.XppReader.pullNextEvent(XppReader.java:109)
Caused: com.thoughtworks.xstream.io.StreamException:  : only 1.0 is supported as <?xml version not '1.1' (position: START_DOCUMENT seen <?xml version=\'1.1\'... @1:19) 
	at com.thoughtworks.xstream.io.xml.XppReader.pullNextEvent(XppReader.java:124)
	at com.thoughtworks.xstream.io.xml.AbstractPullReader.readRealEvent(AbstractPullReader.java:148)
	at com.thoughtworks.xstream.io.xml.AbstractPullReader.readEvent(AbstractPullReader.java:141)
	at com.thoughtworks.xstream.io.xml.AbstractPullReader.move(AbstractPullReader.java:118)
	at com.thoughtworks.xstream.io.xml.AbstractPullReader.moveDown(AbstractPullReader.java:103)
	at com.thoughtworks.xstream.io.xml.XppReader.<init>(XppReader.java:63)
	at com.thoughtworks.xstream.io.xml.AbstractXppDriver.createReader(AbstractXppDriver.java:54)
	at com.thoughtworks.xstream.io.xml.AbstractXppDriver.createReader(AbstractXppDriver.java:65)
	at hudson.XmlFile.unmarshal(XmlFile.java:179)
Caused: java.io.IOException: Unable to read C:\Program Files (x86)\Jenkins\config.xml
	at hudson.XmlFile.unmarshal(XmlFile.java:182)
	at hudson.XmlFile.unmarshal(XmlFile.java:162)
	at jenkins.model.Jenkins.loadConfig(Jenkins.java:3031)
	at jenkins.model.Jenkins.access$1200(Jenkins.java:303)
	at jenkins.model.Jenkins$14.run(Jenkins.java:3049)
	at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169)
	at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)
	at jenkins.model.Jenkins$5.runTask(Jenkins.java:1068)
	at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)
	at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
Caused: org.jvnet.hudson.reactor.ReactorException
	at org.jvnet.hudson.reactor.Reactor.execute(Reactor.java:269)
	at jenkins.InitReactorRunner.run(InitReactorRunner.java:48)
	at jenkins.model.Jenkins.executeReactor(Jenkins.java:1102)
	at jenkins.model.Jenkins.<init>(Jenkins.java:904)
	at hudson.model.Hudson.<init>(Hudson.java:85)
	at hudson.model.Hudson.<init>(Hudson.java:81)
	at hudson.WebAppMain$3.run(WebAppMain.java:233)
Caused: hudson.util.HudsonFailedToLoad
	at hudson.WebAppMain$3.run(WebAppMain.java:250)