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Xietianrong, At least part of the problem here is that you have installed the IDV under the "Administrator" account on your machine. Apparently, you do have the file permissions the IDV needs to write to C:\Documents and Settings\Administrator\.unidata. The best may be to simply re-install the IDV under your user account rather than the Administrator user account. http://www.unidata.ucar.edu/downloads/idv/current/index.jsp Best Wishes, Unidata IDV Support > > Full Name: xietianrong > > Email Address: address@hidden > > Organization: china > > Package Version: 5.1u1 build date:2015-04-02 16:45 UTC > > Operating System: Windows XP > > Hardware: Java: home: D:\IDV\IDV_5.1u1\jre version: 1.7.0_51 > > j3d:1.6.0-pre9-daily-experimental daily > > Description of problem: Installing plugin: > > http://www.unidata.ucar.edu/software/idv/plugins/maps/chinamaps.jar > > Could not move file:C:\Documents and > > Settings\Administrator\.unidata\idv\DefaultIdv\plugins\.tmp.http%3A%2F%2Fwww.unidata.ucar.edu%2Fsoftware%2Fidv%2Fplugins%2Fmaps%2Fchinamaps.jar > > to:C:\Documents and > > Settings\Administrator\.unidata\idv\DefaultIdv\plugins\http%3A%2F%2Fwww.unidata.ucar.edu%2Fsoftware%2Fidv%2Fplugins%2Fmaps%2Fchinamaps.jar > > > > ****************** > > Stack trace: > > java.lang.IllegalStateException: Could not move file:C:\Documents and > > Settings\Administrator\.unidata\idv\DefaultIdv\plugins\.tmp.http%3A%2F%2Fwww.unidata.ucar.edu%2Fsoftware%2Fidv%2Fplugins%2Fmaps%2Fchinamaps.jar > > to:C:\Documents and > > Settings\Administrator\.unidata\idv\DefaultIdv\plugins\http%3A%2F%2Fwww.unidata.ucar.edu%2Fsoftware%2Fidv%2Fplugins%2Fmaps%2Fchinamaps.jar > > at ucar.unidata.util.IOUtil.moveFile(IOUtil.java:1030) > > at ucar.unidata.idv.PluginManager.installPlugin(PluginManager.java:2213) > > at > > ucar.unidata.idv.PluginManager.installPluginInThread(PluginManager.java:2168) > > at ucar.unidata.idv.PluginManager$4.run(PluginManager.java:2155) > > at ucar.unidata.util.Misc$3.run(Misc.java:1243) > > > > > > > Please let us know what you were trying to do, it is difficult to help > without certain information. > > > Yuan Ticket Details =================== Ticket ID: NZD-336147 Department: Support IDV Priority: Normal Status: Closed