启动内核时发生错误 错误是：

Traceback (most recent call last):
File "C:\Anaconda\lib\site‑packages\spyder\plugins\ipythonconsole.py",line 1572,in create_kernel_manager_and_kernel_client
kernel_manager.start_kernel(stderr=stderr_handle)
File "C:\Anaconda\lib\site‑packages\jupyter_client\manager.py",line 240,in start_kernel
self.write_connection_file()
File "C:\Anaconda\lib\site‑packages\jupyter_client\connect.py",line 547,in write_connection_file
kernel_name=self.kernel_name
File "C:\Anaconda\lib\site‑packages\jupyter_client\connect.py",line 212,in write_connection_file
with secure_write(fname) as f:
File "C:\Anaconda\lib\contextlib.py",line 112,in __enter__
return next(self.gen)
File "C:\Anaconda\lib\site‑packages\jupyter_client\connect.py",line 102,in secure_write
with os.fdopen(os.open(fname,open_flag,0o600),mode) as f:
PermissionError: [Errno 13] Permission denied: 'C:\\Users\\sahan\\AppData\\Roaming\\jupyter\\runtime\\kernel?c3a91424d4b.json'