记录spyder闪退问题最终没有解决的过程

省流版：遇事不决，就重装。重装一次不行，就两次。

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许久没用的spyder昨天一打开就闪退，跟着大佬们教程经历了一系列安装又卸载pyqt5，包括在Anaconda navigator中手动卸载又安装spyder后，我不得不承认，这个软件被我搞废了。

无奈之下又开始了漫长的卸载并重装anaconda的路程。

安装了最新版本的anaconda后，发现spyder依然闪退……没关系，又活了一天。

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 根据http://t.csdn.cn/4si02这篇文章里的步骤，新的一天，我又开始试图解决spyder闪退问题。 

 

每次启动，都只出现这个界面，就直接闪退了。开始尝试。 

先是在Anaconda Prompt中输入spyder --new-instance，出现以下报错：

fromIccProfile: failed minimal tag size sanity
D:\Anaconda3\lib\site-packages\paramiko\transport.py:219: CryptographyDeprecationWarning: Blowfish has been deprecated
  "class": algorithms.Blowfish,
Traceback (most recent call last):
  File "D:\Anaconda3\Scripts\spyder-script.py", line 10, in 
    sys.exit(main())
  File "D:\Anaconda3\lib\site-packages\spyder\app\start.py", line 266, in main
    mainwindow.main(options, args)
  File "D:\Anaconda3\lib\site-packages\spyder\app\mainwindow.py", line 1822, in main
    mainwindow = create_window(MainWindow, app, splash, options, args)
  File "D:\Anaconda3\lib\site-packages\spyder\app\utils.py", line 289, in create_window
    main.setup()
  File "D:\Anaconda3\lib\site-packages\spyder\app\mainwindow.py", line 773, in setup
    PLUGIN_REGISTRY.register_plugin(self, PluginClass,
  File "D:\Anaconda3\lib\site-packages\spyder\api\plugin_registration\registry.py", line 342, in register_plugin
    instance = self._instantiate_spyder5_plugin(
  File "D:\Anaconda3\lib\site-packages\spyder\api\plugin_registration\registry.py", line 184, in _instantiate_spyder5_plugin
    plugin_instance = PluginClass(main_window, configuration=CONF)
  File "D:\Anaconda3\lib\site-packages\spyder\api\plugins\new_api.py", line 331, in __init__
    container.setup()
  File "D:\Anaconda3\lib\site-packages\spyder\plugins\pythonpath\container.py", line 55, in setup
    self._load_pythonpath()
  File "D:\Anaconda3\lib\site-packages\spyder\plugins\pythonpath\container.py", line 136, in _load_pythonpath
    system_path = get_system_pythonpath()
  File "D:\Anaconda3\lib\site-packages\spyder\plugins\pythonpath\utils.py", line 31, in get_system_pythonpath
    env = get_user_env()
  File "D:\Anaconda3\lib\site-packages\spyder\utils\environ.py", line 71, in get_user_env
    env_dict = get_user_environment_variables()
  File "D:\Anaconda3\lib\site-packages\spyder\utils\environ.py", line 60, in get_user_environment_variables
    res = stdout.decode().strip().split(os.linesep)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xbb in position 49: invalid start byte

看不懂，没关系，先放着，我又去输入pip check，看看能不能发现问题，显示为：

gensim 4.3.0 requires fuzzytm, which is not installed.
conda-repo-cli 1.0.27 has requirement clyent==1.2.1, but you have clyent 1.2.2.
conda-repo-cli 1.0.27 has requirement nbformat==5.4.0, but you have nbformat 5.7.0.

真不戳，跟攻略里大佬们的问题没一个是相同的。

看到一个帖子说他在base外的另一个env上启动spyder，得到了和我相似的错误，博主最终没能解决这个问题。但我想，我的这个问题是否也是出在环境配置上呢。

麻爪了，我只是个文科生啊！！！！！

在anaconda navigator界面对spyder进行降级

 再次启动尝试。震惊！这次是走到了下面这个界面才闪退的！

再次输入 spyder --new-instance

这次的报错代码短了好多！可歌可泣！

fromIccProfile: failed minimal tag size sanity
D:\Anaconda3\lib\site-packages\paramiko\transport.py:219: CryptographyDeprecationWarning: Blowfish has been deprecated
  "class": algorithms.Blowfish,
Bad file descriptor (C:\ci\zeromq_1616055400030\work\src\epoll.cpp:100)

再看看pip check

gensim 4.3.0 requires fuzzytm, which is not installed.
spyder 5.2.2 has requirement pyqt5<5.13, but you have pyqt5 5.15.7.
spyder 5.2.2 has requirement pyqtwebengine<5.13, but you have pyqtwebengine 5.15.4.
conda-repo-cli 1.0.27 has requirement clyent==1.2.1, but you have clyent 1.2.2.
conda-repo-cli 1.0.27 has requirement nbformat==5.4.0, but you have nbformat 5.7.0.

spyder降级了，对应的pyqt5也要跟着降嘛，我懂。

然后试图跟着http://t.csdn.cn/tefwD这一篇再来。

第一步卸载pyqt5，疯狂报错。再下载pyqt5的5.13版本，没能成功，且疯狂报错。我真的不行了。

再次去anaconda navigator界面对spyder进行降级，刚刚从5.4降到了5.2，这次再降到5.0试试，55555还是打不开。我还是继续重装吧。

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这次没有选择安装最新的anaconda版本，保守的选了5.3.1版本，据说这个对应的python是3.7，比较主流。

一通操作后，打开cmd分别输入python和conda --version检查，都没问题，再次打开spyder。成功进入界面（跪地大哭）。

顺便贴个汉化包安装攻略：http://t.csdn.cn/hngYW