kernel disconnected

[a2480896]

[IPKernelApp] ERROR | Failed to load connection file: 'C:\Users\Z'
Traceback (most recent call last):
File "D:\anaconda\envs\zpp\lib\site-packages\ipykernel\kernelapp.py", line 315, in init_connection_file
self.load_connection_file()
File "D:\anaconda\envs\zpp\lib\site-packages\jupyter_client\connect.py", line 534, in load_connection_file
info = json.load(f)
File "D:\anaconda\envs\zpp\lib\json_init_.py", line 293, in load
return loads(fp.read(),
UnicodeDecodeError: 'gbk' codec can't decode byte 0xa2 in position 1960: illegal multibyte sequence
The system cannot find the path specified.

how to solve this problem？