java.io.IOException: Could not delete: D:\Development\builds\NB701\nbUserdir-20110518093733\var\cache\all-ergonomics.dat
   at org.netbeans.Stamps.deleteCache(Stamps.java:513)
   at org.netbeans.Stamps.access$300(Stamps.java:79)
   at org.netbeans.Stamps$Store.store(Stamps.java:570)
   at org.netbeans.Stamps$Worker.run(Stamps.java:744)