pycharm安裝激活過程中,提示 this license **** has been cancelled 。這個問題並不是你的激活碼不對,而是需要修改系統的hosts文件,下面詳細講解下如何修改hosts文件。
一.找到hosts文件
首先找到hosts文件所在目錄:(以windoes為例,其他平台操作類似)
Windows:C:\Windows\System32\drivers\etc\hosts Linux:/etc/hosts Mac:/etc/hosts
hosts文件並沒有后綴,直接是沒有辦法修改的。因為記事本只能打開txt,推薦下載任意一款代碼編輯器,推薦使用 NotePad++,使用比較簡單,並且支持多種語言。
如果擔心文件修改出錯,可以先復制一份作為備份,然后用鼠標右鍵選擇 edit with NotePad++ 或者打開 notepad++之后,直接把hosts文件拖到notepad++里面也一樣,這樣我們便能看到hosts文件的具體內容:
# Copyright (c) 1993-2009 Microsoft Corp. # # This is a sample HOSTS file used by Microsoft TCP/IP for Windows. # # This file contains the mappings of IP addresses to host names. Each # entry should be kept on an individual line. The IP address should # be placed in the first column followed by the corresponding host name. # The IP address and the host name should be separated by at least one # space. # # Additionally, comments (such as these) may be inserted on individual # lines or following the machine name denoted by a '#' symbol. # # For example: # # 102.54.94.97 rhino.acme.com # source server # 38.25.63.10 x.acme.com # x client host
# localhost name resolution is handled within DNS itself. # 127.0.0.1 localhost # ::1 localhost
二.修改hosts文件
如果想pycharm能正常使用,我們需要在hosts文件的內容的末尾在添加一行代碼:0.0.0.0 account.jetbrains.com,注意代碼中間的空格,一個字符都不能錯,如果擔心寫錯,請直接復制下面的代碼,然后粘貼到文件中,修改之后記得保存。
0.0.0.0 account.jetbrains.com
三.檢查hosts文件是否修改成功
很多小伙伴說修改了,但是還是報錯 this license **** has been cancelled !在步驟完成之后,請使用notepad++重新打開檢查hosts文件,是否最后一行代碼添加成功,如果沒有this 0.0.0.0 account.jetbrains.com,只能說明你沒有修改成功。
有時候可能是C盤權限問題,你可以直接復制一份hosts文件到桌面,修改好之后,再拷貝回去,直接覆蓋原始的hosts文件即可,這種方法最簡單(推薦)
不管是第一次安裝還是以后再次出現這種問題,你只需要記住:this license **** has been cancelled 這個錯誤 99.99%都跟你的hosts文件有關系。
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