Can't install Python 3.8 on Windows 10
As the title says I can’t install Python 3.8 on Windows 10.
- I had the same Python version installed before, I uninstalled it (along with its launcher) using ccleaner (to install it in another path)
- I tried to install Python in a new folder but got an error because another installation was going on (it wasn’t another Python installation, but another program)
- Now, when I try to install Python I get a message «No python 3.8 version was found» —> fatal error 0x80070643
- I used the software «everything» to remove python stuff from previous location
- I used ccleaner to clean registry
- I deleted pip folder from Appdata/Local
- I updated windows to the last version and rebooted
- I removed python from PATH
But the problem persists. What can I do now?
EDIT: I thought I had solved this because I could install Python, but now I get this error: https://imgur.com/Q2JtPg2
Both python and script folder are added to the Path, python —version on cmd returns correctly 3.8.0 but I can’t open Python.exe (IDLE)
2 Answers 2
Here’s the solution that worked for me.
AFTER all the operations in the OT, I’ve run Python 3.8 NORMAL installer and chose not to install py launcher, this made Python successfully install.
After this step, I have added Python and Python/Script folders to my PATH and in cmd, python —version showed the correct version installed.
THEN I got the last problem (the imgurl one), when trying to see pip version and install pip using python from command line. I fixed this last problem by opening again the Python installer and perform an installation repair. After this, I made sure I could use python and pip commands and that’s it.
I didn’t launch anything as administrator nor performed any reboot while doing these last operations.
0x80070643 python как исправить
We python when using this software, sometimes on the same computer may need to install a different version of python software. For example, I installed the python 3.6.5 version, and now want to use python.3.6.1 version, then I have to uninstall python3.6.5 version, otherwise it is the same version of the software python3.6 can not reload. I used to use third-party software to uninstall unwanted software, the result turned out, it can not be uninstalled. Meanwhile Fatal error during installation error 0x80070643 python 
at win10 system windouws logo button click, click the Settings button, click Apply this function, in the application and function of this interface, click python3.6.5, Click the Edit button 
Immediately came to Modify Setup this screen, we click on the Repair option, then wait patiently 
Repair was succcesful 
Then we once again came to just the application interface, then click Uninstall, then there will be the Uninstall Progress, it can be patient uninstalled
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Error 0x80070643 when installing #81937
The text was updated successfully, but these errors were encountered:
The error comes from Windows and it indicates a problem with your computer. Questions about Windows errors should be initially directed to python-list or elsewhere.
If we see 0x8XXX_XXXX, it’s either an NTSTATUS [1] warning, which is unlikely, or and HRESULT [2] error, which is very likely. One of the more common facility codes for HRESULT is the Windows API, 0x007. If we see 0x8007XXXX, then XXXX is a Windows system error code [3]. In this case, 0x643 is ERROR_INSTALL_FAILURE (1603), which is not a very information error code by itself.
We need to read the log file (or request additional logs) to figure out what failed. Steve Dower is the person to address this, since he has far more experience with the design and behavior of the installer. From what I can see on the surface, with my shallow knowledge, it failed to install core_JustForMe for some reason (probably there’s more info in another log), and then failed to delete the cached package when rolling back, with the error 0x80070003 (ERROR_PATH_NOT_FOUND), which looks suspicious.
I’m reopening for now. Feel free to close it again if you disagree. I won’t press the matter.
Русские Блоги
Решение серьезной ошибки в Python installation_0x80070643 — при установке произошла серьезная ошибка
Решение серьезной ошибки в Python installation_0x80070643 — при установке произошла серьезная ошибка
Сообщение читателям
Моя среда установки
Операционная система: Windows 8.1
Установите версию Python: Python2.7.16、Python3.6.8、Python3.7.2
инструкция по установке: Пользовательский каталог на диске D (например: D: \ Python \ Python37)
Скриншот ошибки
Вышеуказанная ошибка появляется в процессе установки всех версий Python.
Возможные причины ошибок
Эта ошибка, вероятно, связана с ошибочным удалением важного файла на диске C. Я подумал, что на диске C слишком много мусора, поэтому я нашел небольшой код .bat в Интернете и попробовал его. На самом деле эффект очистки не очень хороший. С тех пор Python не может быть установлен. Раньше Python можно было устанавливать и удалять свободно.
Несправедливость и долг несут ответственность:
@echo off
echo очищает системные ненужные файлы, подождите .
del /f /s /q %systemdrive%*.tmp
del /f /s /q %systemdrive%*._mp
del /f /s /q %systemdrive%*.log
del /f /s /q %systemdrive%*.gid
del /f /s /q %systemdrive%*.chk
del /f /s /q %systemdrive%*.old
del /f /s /q %systemdrive%\recycled*.*
del /f /s /q %windir%*.bak
del /f /s /q %windir%\prefetch*.*
rd /s /q %windir%\temp & md %windir%\temp
del /f /q %userprofile%\cookies*.*
del /f /q %userprofile%\recent*.*
del /f /s /q “%userprofile%\Local Settings\Temporary Internet Files*."
del /f /s /q "%userprofile%\Local Settings\Temp*.”
del /f /s /q “%userprofile%\recent*.*”
ЖЖ системы эхо-очистки готов!
echo. & pause
Откройте блокнот, назначьте и вставьте приведенный выше код, сохраните его как файл .bat (с именем вроде: LJ.bat, то есть garbage.bat, следовало бы подумать . ), поместите его на рабочий стол, дважды щелкните, чтобы запустить, и дождитесь конца.
Решение указанной выше ошибки
Это очень просто, выберите загруженный файл python .exe, щелкните правой кнопкой мыши, запустите от имени администратора, а затем настройте и установите обычным образом, и все в порядке! ! ! Это очень просто, хахахаха.
установка. . . . 
Успешная установка 
Вам нужно настроить его, и Python 3.6.8 и 3.7.2 в порядке. 
Профессиональный тест, хвала! ! ! Спасибо за прочтение! ! !
Что касается причин вышеуказанных ошибок, пожалуйста, также попросите великих богов дать профессиональные объяснения.