![]() ![]() Open a terminal prompt (such as OS X’s Terminal, or Windows’ Command Prompt) and type the command: pip3 install ipython. That may help point to previously improperly removed installations. Use the Python 3 command pip3 to install IPython in a permanent, globally accessible location on your computer. You could have some insight to this by opening "regedit" and searching for "Python27" - a registry key appeared in my command-shell Cache pointing at c:\python\python27\ (which had been removed and was not present when searching in the registry upon finding it). This is not the answer that addresses registry key issues (others mention that) but it is somewhat of a workaround if you know of previous installations that were improperly removed. It was happy locating those items and removing them, and proceeded with the install. I placed a copy of Python27 back in that original folder, at C:\Python\Python27, and re-ran the same failing Python27 installer. It would always back out while trying to 'remove shortcuts' during the installation process. Upon re-installing Python27, it gave the above error you specify. Py27 was removed manually from C:\python\Python27 (the folder Python27 was deleted by me previously) Follow the instructions from Installation from source. git clone cd ipykernel pip install -e '.test' After that, all normal ipython commands will use this newly-installed version of the kernel. I'm using Py.exe to route to Py2 or P圓 depending on the script's needs - but I previously improperly uninstalled Python27 before. This package provides the IPython kernel for Jupyter. This should work in Windows 7 and Windows 8, for sure. Next, we’ll start the Windows Command Prompt. This can be started easily through a method described here, if. ![]() Sublime Text is one of the best text editors out there.Windows 7 64-bit, with both Python3.4 and Python2.7 installed at some point :) For Microsoft Windows users: The first step here is to start a Windows Command Prompt. Will mean "type python in the console and hit enter". Note: From now on, anything of the form: > python Tabs: change "Title" to "Cmd" of the default tab.Hotkeys: change "New Tab 1" to "Ctrl T".Behavior > Copy
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