(solved) 1.8.7 is VERY slow.

Thanks!

But the main problem was installing onto a usb-connected hard drive. Put it on the main drive and all seems OK.

But.

Can't upload to a nano -

error messages _

java.io.IOException: Cannot run program "REMOVE/bin/avrdude": CreateProcess error=2, The system cannot find the file specified
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048)
at processing.app.helpers.ProcessUtils.exec(ProcessUtils.java:26)
at cc.arduino.packages.Uploader.executeUploadCommand(Uploader.java:129)
at cc.arduino.packages.uploaders.SerialUploader.uploadUsingPreferences(SerialUploader.java:207)
at cc.arduino.UploaderUtils.upload(UploaderUtils.java:82)
at processing.app.SketchController.upload(SketchController.java:736)
at processing.app.SketchController.exportApplet(SketchController.java:703)
at processing.app.Editor$DefaultExportHandler.run(Editor.java:2028)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.IOException: CreateProcess error=2, The system cannot find the file specified
at java.lang.ProcessImpl.create(Native Method)
at java.lang.ProcessImpl.(ProcessImpl.java:386)
at java.lang.ProcessImpl.start(ProcessImpl.java:137)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029)
... 8 more
An error occurred while uploading the sketch

Any ideas?

Allan