Using sagemath on windows 10 : impossible to attach file

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Hi! I've installed sagemath on windows 10 and I'm going crazy. The problem it seems to be that all the program is runing in some kind of temporal directory . I leave here some feedback from my console:

sage: load_attach_path()

['.']

If I change the path,

sage: load_attach_path('C:\Users\Javier\Desktop\current\height1')

sage: load_attach_path()

['.', 'C:\\Users\\Javier\\Desktop\\current\\height1']

So we can confirm the new path was added. Inside the folder height1 I have a file "'heigth1.sage". Let's try to attach it:

sage: attach("height1.sage")
---------------------------------------------------------------------------
OSError                                   Traceback (most recent call last)
<ipython-input-4-cb4dd36405f2> in <module>()
----> 1 sage.repl.load.load(sage.repl.load.base64.b64decode("aGVpZ2h0MS5zYWdl"),globals(),True)

/opt/sagemath-8.2/local/lib/python2.7/site-packages/sage/repl/load.py in load(filename, globals, attach)
    252             # See Trac 11812.
    253             if attach:
--> 254                 add_attached_file(fpath)
    255             with open(preparse_file_named(fpath)) as f:
    256                 code = compile(f.read(), preparse_file_named(fpath), 'exec')

/opt/sagemath-8.2/local/lib/python2.7/site-packages/sage/repl/attach.py in add_attached_file(filename)
    376     sage.repl.inputhook.install()
    377     fpath = os.path.abspath(filename)
--> 378     attached[fpath] = os.path.getmtime(fpath)
    379
    380

/opt/sagemath-8.2/local/lib/python2.7/genericpath.py in getmtime(filename)
     60 def getmtime(filename):
     61     """Return the last modification time of a file, reported by os.stat()."""
---> 62     return os.stat(filename).st_mtime
     63
     64

OSError: [Errno 2] No such file or directory: '/home/Javier/C:\\Users\\Javier\\Desktop\\current\\height1/height1.sage'

Recall the Error No such file or directory: '/home/Javier/C:\Users\Javier\Desktop\current\height1/height1.sage'. What ?? Please, help me ! I will appreciate your feedback very much!