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How to retrieve and run anaconda navigator after deleting anaconda propmt

Today when I was using jupyter notebook using anaconda navigator in my windows 10 machine but suddenly my screen became blue and loading screen appeared saying that some sort of error occurred then my computer restarted.
After restarting, my anaconda navigator got lost and anaconda prompt appeared in the start menu.I clicked but it said anaconda 3 system cannot find the path specified.
I tried reinstalling anaconda several times but nothing changed. Then reinstalled python still no change. I thought may be anaconda prompt needs to be deleted, so I deleted it. Now nothing appears on the start menu which I can use to start anaconda navigator no matter how many times I reinstall it.
I even tried to reinstall jupyter using PIP3 but installation fails. I really don't know how I am going to run .ipybn files.

Conda keep opening this Python Interpreter

I installed Anaconda 3. After Install I reboot the computer but, when I opened Anaconda Navigator, this keep happening, first this CMD window appears Conda.exe
and then this window appears gpython.exe
Before reboot, everything fine, I could open Anaconda Navigator. After reboot, (insert Billy Butcher from the Boys) BOOM, this happen.
This also happens everytime I type "conda" on the command prompt,with the python interpreter (second picture) keep appearing. So pretty much any solution on the internet that told me to use "conda" doesnt help.
Also this happens to every Anaconda Application (Anaconda Prompt, Anaconda Navigator).

I believe that whenever you launch anaconda conda.exe will run, at least it does for me.
Regarding gpython.exe, I could only find the following question referring to it
Django error: Command throws a python window when executing makemigrations command in a Python/Django project
This makes it seem like your anaconda may require a reinstall, I checked my anaconda files and couldn't find a gpython.exe in the path where yours appears, so this may be the case. Hope this helps.

Can't launch Jupyter Notebook at all

I recently installed the Anaconda Navigator (Anaconda 2) on a Windows 8.1 machine.
If I launch Jupyter Notebook from the Anaconda window, I am met with a 'Page cannot be displayed' error in my browser (Chrome).
I have tried launching Jupyter Notebook from the Anaconda Prompt (no notable error message output). I have also tried opening the Notebook in a different browser (Firefox), and I have tried running the Prompt in Administrator mode. No luck.
I have Jupyter Notebook version 5.6.0 according to the Navigator, but if I type jupyter --version at the prompt it says 4.4.0 (wondering if this is a problem?)
I kind of expected to be able to launch a Notebook right off the bat after installing Anaconda. Is there some set-up I have missed?
(Edit) Tried a few more things, after reading the Jupyter Notebook docs. Tried replacing 'localhost' in the URL with 127.0.0.1, and tried opening the link Chrome with --disable-web-security. Didn't help.

Steps which i will advice:
1) Open your command prompt in the directory which contains your notebook or where you want to create new notebook.
2) Write jupyter notebook in cmd and press enter.
If jupyter notebook is properly installed then it will certainly open, else try reinstalling it.
Note: You can always update your jupyter notebook via conda or pip. At time if you update or install package/IDE via pip, Anaconda terms it as "broken link" and give issue.

Anaconda Navigator Applications not launching apps

For whatever reason, when I click on launch for any app in the Navigator, will say launching app with the status bar moving but it will eventually stop and the app never opens. I have tried starting with administrative privileges and I have even tried uninstalling and reinstalling and then rebooting but still the apps never launch.

If you are using Debian distribution os then simply you can run following command in your shell after installing anaconda distribution.
export PATH= YOUR_ANACONDA_INSTALLATION_FOLDER_LOCATION/bin:PATH
then run,
anaconda-navigator
for example mine anaconda3 was installed at root/anaconda3,So i used following commands:
┌──[root#kali]─[/]
└──╼ # export PATH=/root/anaconda3/bin:PATH
┌─[root#kali]─[/]
└──╼ # anaconda-navigator
and that worked fine for me:)

I just had this problem! The cause was in a corrupted registry affecting the launch of CMD.EXE (Used by Navigator to launch applications).
Solution: Empty the HKEY_CURRENT_USER\Software\Microsoft\Command Processor\AutoRun key
(It contained several occurrences of "if exist"!?)
If you used "conda init", then you will need to re-run the command.

Anaconda Spyder can't show the program window on windows 8

My system is windows 8, and I download Anaconda python 3.4 from the official website. The spyder has been all well until yesterday, I can open the spyder, and the icon shows on my taskbar, but no matter how I click the icon, the program window doesn't show up on the screen. I have uninstalled and reinstalled the Anaconda, but still can't fix it. Any suggestion?
By the way, I usually open spyder from "Anaconda/Scripts/spyder.exe", is that a problem?

I ran into the same problem after installing Spyder for Python 2.7 with an existing installation of Spyder running on Python 3.5. What worked for me was the following: I closed all running Spyder applications, ran the "Reset Spyder Settings" shortcut for Anaconda2, and voila, spyder2 started displaying properly after running.

spyder --reset from the command line works.

For newbies like me, you got to use Anaconda prompt (windows cmd terminal didn't work for me) took a few mins to figure out to use Anaconda prompt to run spyder --reset command.