Problem running post-install step. Installation may not complete correctly

[zh_feng]

Dear all :
I have a problem,I cannot solve,please all help me..

I've setup a brand Windows 2008R2 x64 server with IIS6 and install alfresco-community-4.2.c-installer-win-x64.exe

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Warning
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Problem running post-install step. Installation may not complete correctly
Error running C:\Alfresco\java/bin/java -jar C:/Alfresco/bin/alfresco-mmt.jar
install C:/Alfresco/amps C:/Alfresco/tomcat/webapps/alfresco.war -directory -nobackup -force :
07090000 An IO error was encountered during deployment of the AMP into the WAR
.

[kaynezhang]

before you use module managemnet tool ,you should stop alfresco server.

[nurnberg]

I experience same problem. It is not because the server is running. I tried to copy the war file to the temp folder and run the alfresco-mmt on that, with the same result.