2019-10-14 11:56:27,812 : WARN  : KNIME-Worker-0 :  : TileUpdateMessageInjector :  :  : Could not modify intro page: null
java.lang.NullPointerException
	at org.apache.xerces.dom.ParentNode.internalRemoveChild(Unknown Source)
	at org.apache.xerces.dom.ParentNode.removeChild(Unknown Source)
	at org.knime.product.rcp.intro.TileUpdateMessageInjector.injectReleaseTile(TileUpdateMessageInjector.java:127)
	at org.knime.product.rcp.intro.TileUpdateMessageInjector.injectData(TileUpdateMessageInjector.java:139)
	at org.knime.product.rcp.intro.AbstractInjector.run(AbstractInjector.java:152)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123)
	at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246)
2019-10-14 11:57:14,220 : ERROR : KNIME-ConfigurationArea-Checker :  : ConfigurationAreaChecker :  :  : Can't check integrity of configuration area ("C:\Program Files\KNIME\configuration"): The process cannot access the file because another process has locked a portion of the file
java.io.IOException: The process cannot access the file because another process has locked a portion of the file
	at sun.nio.ch.FileDispatcherImpl.write0(Native Method)
	at sun.nio.ch.FileDispatcherImpl.write(FileDispatcherImpl.java:75)
	at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93)
	at sun.nio.ch.IOUtil.write(IOUtil.java:65)
	at sun.nio.ch.FileChannelImpl.write(FileChannelImpl.java:211)
	at org.knime.core.internal.ConfigurationAreaChecker.lambda$0(ConfigurationAreaChecker.java:135)
	at java.lang.Thread.run(Thread.java:748)
2019-10-14 11:57:17,340 : ERROR : ModalContext :  : LoadWorkflowRunnable :  :  : Could not load workflow from: workflow.knime
java.io.IOException: Unable to parse xml: line=2: Content is not allowed in prolog.
xml: URI=java.io.BufferedInputStream@46761a25
dtd: URI=null
	at org.knime.core.node.config.base.XMLConfig.load(XMLConfig.java:159)
	at org.knime.core.node.config.Config.load(Config.java:937)
	at org.knime.core.node.config.Config.loadFromXML(Config.java:925)
	at org.knime.core.node.NodeSettings.loadFromXML(NodeSettings.java:105)
	at org.knime.core.node.workflow.WorkflowLoadHelper.createTemplateLoadPersistor(WorkflowLoadHelper.java:277)
	at org.knime.core.node.workflow.WorkflowLoadHelper.createLoadPersistor(WorkflowLoadHelper.java:246)
	at org.knime.core.node.workflow.WorkflowManager.createLoadPersistor(WorkflowManager.java:7551)
	at org.knime.core.node.workflow.WorkflowManager.load(WorkflowManager.java:7591)
	at org.knime.core.node.workflow.WorkflowManager.loadProject(WorkflowManager.java:7437)
	at org.knime.workbench.editor2.LoadWorkflowRunnable.run(LoadWorkflowRunnable.java:175)
	at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:119)
Caused by: org.xml.sax.SAXException: line=2: Content is not allowed in prolog.
xml: URI=java.io.BufferedInputStream@46761a25
dtd: URI=null
org.xml.sax.SAXParseException; lineNumber: 2; columnNumber: 1; Content is not allowed in prolog.
	at org.knime.core.node.config.base.XMLContentHandler.fatalError(XMLContentHandler.java:133)
	at org.apache.xerces.util.ErrorHandlerWrapper.fatalError(Unknown Source)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
	at org.apache.xerces.impl.XMLScanner.reportFatalError(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentScannerImpl$PrologDispatcher.dispatch(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
	at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
	at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
	at org.knime.core.node.config.base.XMLConfig.load(XMLConfig.java:155)
	... 10 more
Caused by: org.xml.sax.SAXParseException; lineNumber: 2; columnNumber: 1; Content is not allowed in prolog.
	at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
	... 23 more
2019-10-14 11:57:54,847 : ERROR : ModalContext :  : LoadWorkflowRunnable :  :  : Could not load workflow from: workflow.knime
java.io.IOException: Unable to parse xml: line=2: Content is not allowed in prolog.
xml: URI=java.io.BufferedInputStream@1fa9aa8b
dtd: URI=null
	at org.knime.core.node.config.base.XMLConfig.load(XMLConfig.java:159)
	at org.knime.core.node.config.Config.load(Config.java:937)
	at org.knime.core.node.config.Config.loadFromXML(Config.java:925)
	at org.knime.core.node.NodeSettings.loadFromXML(NodeSettings.java:105)
	at org.knime.core.node.workflow.WorkflowLoadHelper.createTemplateLoadPersistor(WorkflowLoadHelper.java:277)
	at org.knime.core.node.workflow.WorkflowLoadHelper.createLoadPersistor(WorkflowLoadHelper.java:246)
	at org.knime.core.node.workflow.WorkflowManager.createLoadPersistor(WorkflowManager.java:7551)
	at org.knime.core.node.workflow.WorkflowManager.load(WorkflowManager.java:7591)
	at org.knime.core.node.workflow.WorkflowManager.loadProject(WorkflowManager.java:7437)
	at org.knime.workbench.editor2.LoadWorkflowRunnable.run(LoadWorkflowRunnable.java:175)
	at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:119)
Caused by: org.xml.sax.SAXException: line=2: Content is not allowed in prolog.
xml: URI=java.io.BufferedInputStream@1fa9aa8b
dtd: URI=null
org.xml.sax.SAXParseException; lineNumber: 2; columnNumber: 1; Content is not allowed in prolog.
	at org.knime.core.node.config.base.XMLContentHandler.fatalError(XMLContentHandler.java:133)
	at org.apache.xerces.util.ErrorHandlerWrapper.fatalError(Unknown Source)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
	at org.apache.xerces.impl.XMLScanner.reportFatalError(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentScannerImpl$PrologDispatcher.dispatch(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
	at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
	at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
	at org.knime.core.node.config.base.XMLConfig.load(XMLConfig.java:155)
	... 10 more
Caused by: org.xml.sax.SAXParseException; lineNumber: 2; columnNumber: 1; Content is not allowed in prolog.
	at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
	... 23 more