我尝试安装 graphviz，但收到一条消息，指出我的环境不一致。查看我尝试过的其他帖子
conda install anaconda
conda install -c anaconda anconda
conda update --all
conda uninstall anaconda
但都失败了。
运行“conda update --all”时，虽然看起来好像解决了问题，但再次运行相同的命令会给出相同的输出。
运行“conda install anaconda”时，它运行了 6 个小时而没有做太多事情。最终我阻止了它。这是屏幕输出：
(base) C:\Windows\system32>conda install anaconda
Collecting package metadata (current_repodata.json): done
Solving environment: |
The environment is inconsistent, please check the package plan carefully
The following packages are causing the inconsistency:
- defaults/win-64::ipykernel==5.3.4=py38h5ca1d4c_0
- conda-forge/noarch::ipympl==0.6.3=pyhd8ed1ab_0
- defaults/noarch::ipywidgets==7.6.3=pyhd3eb1b0_1
- conda-forge/noarch::nbclassic==0.2.5=pyhd8ed1ab_0
- defaults/noarch::nbclient==0.5.1=py_0
- defaults/win-64::nbconvert==6.0.7=py38_0
- defaults/win-64::notebook==6.1.4=py38_0
- defaults/win-64::widgetsnbextension==3.5.1=py38_0
- defaults/win-64::_ipyw_jlab_nb_ext_conf==0.1.0=py38_0
failed with initial frozen solve. Retrying with flexible solve.
Solving environment: failed with repodata from current_repodata.json, will retry
with next repodata source.
Collecting package metadata (repodata.json): done
Solving environment: \
The environment is inconsistent, please check the package plan carefully
The following packages are causing the inconsistency:
- defaults/win-64::ipykernel==5.3.4=py38h5ca1d4c_0
- conda-forge/noarch::ipympl==0.6.3=pyhd8ed1ab_0
- defaults/noarch::ipywidgets==7.6.3=pyhd3eb1b0_1
- conda-forge/noarch::nbclassic==0.2.5=pyhd8ed1ab_0
- defaults/noarch::nbclient==0.5.1=py_0
- defaults/win-64::nbconvert==6.0.7=py38_0
- defaults/win-64::notebook==6.1.4=py38_0
- defaults/win-64::widgetsnbextension==3.5.1=py38_0
- defaults/win-64::_ipyw_jlab_nb_ext_conf==0.1.0=py38_0
failed with initial frozen solve. Retrying with flexible solve.
Solving environment: /
Found conflicts! Looking for incompatible packages.
This can take several minutes. Press CTRL-C to abort.
Examining clyent: 23%|█████? | 41/176 [00:28<01:33, 1.44it/s]/
Examining libsodium: 38%|███████▌ | 67/176 [01:12<03:33, 1.96s/it]|
Examining conda-env: 41%|████████? | 72/176 [01:13<01:42, 1.02it/s]\
Examining m2w64-gmp: 56%|███████████? | 99/176 [03:40<03:11, 2.49s/it]\
Examining mkl-service: 65%|███████████ | 114/176 [04:38<06:29, 6.28s/it]\
Examining chardet: 69%|██████████████? | 121/176 [04:40<01:08, 1.24s/it]/
Examining conflict for six htmlmin testpath ipython console_shortcut wcwidth cf\
Examining conflict for six htmlmin testpath ipython console_shortcut wcwidth cf-
failed -
CondaError: KeyboardInterrupt
Terminate batch job (Y/N)? y
(base) C:\Windows\system32>