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I've tried to program WeMos D1 directly by wireless connection. I've test my D1 so it had no problem. after setting SSID and Password I've programed it for wireless using. It ran well. as I want to programing thought wireless there was an Unspecified error for running python.exe !

java.io.IOException: Cannot run program "python.exe": 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.GenericNetworkUploader.uploadUsingPreferences(GenericNetworkUploader.java:99)
    at cc.arduino.UploaderUtils.upload(UploaderUtils.java:78)
    at processing.app.SketchController.upload(SketchController.java:709)
    at processing.app.SketchController.exportApplet(SketchController.java:682)
    at processing.app.Editor$DefaultExportHandler.run(Editor.java:2190)
    at java.lang.Thread.run(Thread.java:745)
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.<init>(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

I've python on my PC and it works. to clear my problem I've attached the following gif

the gif

any help would be appreciated.

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You might have Python installed, but can you run it?

Open a command window on you PC. (Windows button R then CMD) Then in that type python.

If python starts up then it should be working, but I suspect you will get an error saying:

'python' is not recognized as an internal or external command, operable program or batch file.

To fix this you need to edit you path and restart the IDE. (How you edit you path depends on your version of Windows so you would be best searching for edit environment path and your version of windows and that should come back with an answer quickly.

Of course if its Linux/mac then it could still be the same issue.

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