Spyder not launching when Kite installation is faulty

Issue Report Checklist

• Searched the issues page for similar reports
• Read the relevant sections of the Spyder Troubleshooting Guide and followed its advice
• Reproduced the issue after updating with conda update spyder (or pip, if not using Anaconda)
• Could not reproduce inside jupyter qtconsole (if console-related)
• Tried basic troubleshooting (if a bug/error)
  • Restarted Spyder
  • Reset preferences with spyder --reset
  • Reinstalled the latest version of Anaconda
  • Tried the other applicable steps from the Troubleshooting Guide
• Completed the Problem Description, Steps to Reproduce and Version sections below

Problem Description

Spyder crashing upon startup.

I have just installed anaconda3 on this computer (a first time install), and updated anaconda and spyder to the newest versions. Initially it worked fine, but having forgotten numpy, I closed down, and installed it. When trying to open spyder4 again it would not work. I have restarted my pc, uninstalled and reinstalled anaconda and spyder a few times, and never have I gotten spyder to open again.

What steps reproduce the problem?

1. Fresh install of conda from website (64-Bit Graphical Installer for python 3.7)
2. In the conda prompt write conda update anaconda followed by conda install spyder=4.0.1 (Note to 2: When updating anaconda it’ll post some debugging lines, and when installing spyder it’ll fail with initial frozen solve to solve the environment and commence debugging at the end - see screenshots for all)
3. Run spyder --reset
4. Launch spyder

What is the expected output? What do you see instead?

Pops up with the traceback instead of opening spyder.

Paste Traceback/Error Below (if applicable)

Traceback (most recent call last):
File "F:\Anaconda\lib\site-packages\spyder\app\mainwindow.py", line 3718, in main
mainwindow = run_spyder(app, options, args)
File "F:\Anaconda\lib\site-packages\spyder\app\mainwindow.py", line 3559, in run_spyder
main.setup()
File "F:\Anaconda\lib\site-packages\spyder\app\mainwindow.py", line 960, in setup
self.completions.start()
File "F:\Anaconda\lib\site-packages\spyder\plugins\completion\plugin.py", line 292, in start
client_info['plugin'].start()
File "F:\Anaconda\lib\site-packages\spyder\plugins\completion\kite\plugin.py", line 141, in start
self.kite_process = run_program(path)
File "F:\Anaconda\lib\site-packages\spyder\utils\programs.py", line 214, in run_program
return subprocess.Popen(fullcmd, **subprocess_kwargs)
File "F:\Anaconda\lib\subprocess.py", line 775, in __init__
restore_signals, start_new_session)
File "F:\Anaconda\lib\subprocess.py", line 1178, in _execute_child
startupinfo)
OSError: [WinError 193] %1 is not a valid Win32 application

Versions

• Spyder version: 4.0.1
• Python version: 3.7.4 (also tried 3.7.6 with no change)
• Qt version: 5.9.7
• PyQt version: 5.9.2
• Operating System name/version: Windows 10

Dependencies

I'm assuming this is if spyder is launchable - which it isn't for me. (cannot find this)

Pictures of prompt window (from note to 2)

[1CoreBrain]

@1CoreBrain, please look at the directory shown in @Klumpfisk’s last screenshot above and remove it.

Alright, thanks a lot. Spyder works again.

[ccordoba12]

maybe we need to add at least a message regarding failed installations and the need of a manual (or automatic) deletion of remaining files?

Definitely, please open a PR for that.