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使用conda安裝時經常遇到以下問題: 
 
$ conda install -c conda-forge opencv=4.2.0 
Collecting package metadata (current_repodata.json): done 
Solving environment: failed with initial frozen solve. Retrying with flexible solve. 
Solving environment: / failed with repodata from current_repodata.json, will retry with next repodata source. 
... - # 查询版本
 
 - $ conda -V
 
 - # 升级
 
 - $ conda update -n base conda
 
  複製代碼 升級conda到最新版本後再更新全部應用: 
 
- $ conda update --all
 
 - Collecting package metadata (current_repodata.json): done
 
 - Solving environment: done
 
  複製代碼 就可以繼續使用conda安裝應用 
 
 
最後如還是不行 
就移除anaconda後重新安裝吧 
 
 
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