Python Pip Çalışmıyor

C:\Users\Uzumaki İlker>pip                                                                                              Fatal error in launcher: Unable to create process using '"c:\users\uzumaki i?lker\appdata\local\programs\python\python39\python.exe"  "C:\Users\Uzumaki ?lker\AppData\Local\Programs\Python\Python39\Scripts\pip.exe" ': Sistem belirtilen dosyay? bulam?yor.