standalone.bat is unable to start from directory "jboss e a p" on Windows

C:\Users\Administrator\playground\7.1.0.DR8.1\jboss e a p\bin>standalone.bat
Calling "C:\Users\Administrator\playground\7.1.0.DR8.1\jboss e a p\bin\standalone.conf.bat"
Setting JAVA property to "C:\jdk1.8.0_45\bin\java"
===============================================================================

  JBoss Bootstrap Environment

  JBOSS_HOME: "C:\Users\Administrator\playground\7.1.0.DR8.1\jboss e a p"

  JAVA: "C:\jdk1.8.0_45\bin\java"

  JAVA_OPTS: "-verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=5 -XX:GCLogF
ileSize=3M -Xloggc:C:\Users\Administrator\playground\7.1.0.DR8.1\jboss e a p\standalone\log\gc.log -XX:-TraceClassUnloading -Dprog
ram.name=standalone.bat -Xms1G -Xmx1G -XX:MetaspaceSize=96M -XX:MaxMetaspaceSize=256m -Djava.net.preferIPv4Stack=true -Djboss.modu
les.system.pkgs=org.jboss.byteman"

===============================================================================

Error: Could not find or load main class e
Press any key to continue . . .
C:\Users\Administrator\playground\7.1.0.DR8.1\jboss e a p\bin>