D:\>python crack_navicat_win.py
Start to delete registry...
Traceback (most recent call last):
  File "D:\crack_navicat_win.py", line 21, in get_sub_keys
    sub_keys = winreg.EnumKey(key_result, i)
OSError: [WinError 259] 没有可用的数据了。

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "D:\crack_navicat_win.py", line 68, in <module>
    main()
  File "D:\crack_navicat_win.py", line 52, in main
    clsid_all_keys_list = get_all_keys(HKEY_CURRENT_USER, CLSID_PATH)
  File "D:\crack_navicat_win.py", line 39, in get_all_keys
    for item in get_sub_keys(root, sub_key_path):
  File "D:\crack_navicat_win.py", line 24, in get_sub_keys
    except expression:
NameError: name 'expression' is not defined