win 8.1 build folder disappeared or could not be written

Hi everybody
i'm new member
. today i try to build examples =>0.1 basic=> blink and i have an error .
This report would have more information with
"Show verbose output during compilation"
enabled in File > Preferences.
Board: "Arduino Uno"
java.io.FileNotFoundException: C:\Program Files (x86)\Labcenter Electronics\Proteus 8 Professional\BIN\ASCIITable.cpp (The system cannot find the path specified)

at java.io.FileOutputStream.open(Native Method)

at java.io.FileOutputStream.(FileOutputStream.java:179)

at java.io.FileOutputStream.(FileOutputStream.java:131)

at processing.app.preproc.PdePreprocessor.writePrefix(PdePreprocessor.java:139)

at processing.app.Sketch.preprocess(Sketch.java:1385)

at processing.app.Sketch.preprocess(Sketch.java:1334)

at processing.app.Sketch.build(Sketch.java:1580)

at processing.app.Sketch.build(Sketch.java:1562)

at processing.app.Editor$DefaultRunHandler.run(Editor.java:1899)

at java.lang.Thread.run(Thread.java:619)

processing.app.debug.RunnerException: Build folder disappeared or could not be written

at processing.app.Sketch.preprocess(Sketch.java:1392)

at processing.app.Sketch.preprocess(Sketch.java:1334)

at processing.app.Sketch.build(Sketch.java:1580)

at processing.app.Sketch.build(Sketch.java:1562)

at processing.app.Editor$DefaultRunHandler.run(Editor.java:1899)

at java.lang.Thread.run(Thread.java:619)

can you help me ? please .
thanks for read.