Error installing Jupyter

[mvresh]

'''
Traceback (most recent call last):
File "C:\Users\mvres\miniconda2\envs\bmnn\Scripts\pip-script.py", line 5, in
from pip._internal.cli.main import main
File "C:\Users\mvres\miniconda2\envs\bmnn\lib\site-packages\pip_internal\cli\main.py", line 10, in
from pip._internal.cli.autocompletion import autocomplete
File "C:\Users\mvres\miniconda2\envs\bmnn\lib\site-packages\pip_internal\cli\autocompletion.py", line 9, in
from pip._internal.cli.main_parser import create_main_parser
File "C:\Users\mvres\miniconda2\envs\bmnn\lib\site-packages\pip_internal\cli\main_parser.py", line 7, in
from pip._internal.cli import cmdoptions
File "C:\Users\mvres\miniconda2\envs\bmnn\lib\site-packages\pip_internal\cli\cmdoptions.py", line 24, in
from pip._internal.cli.progress_bars import BAR_TYPES
File "C:\Users\mvres\miniconda2\envs\bmnn\lib\site-packages\pip_internal\cli\progress_bars.py", line 55, in
_BaseBar = _select_progress_class(IncrementalBar, Bar) # type: Any
File "C:\Users\mvres\miniconda2\envs\bmnn\lib\site-packages\pip_internal\cli\progress_bars.py", line 48, in _select_progress_class
six.text_type().join(characters).encode(encoding)
LookupError: unknown encoding: cp65001

(bmnn) C:\Users\mvres>conda activate bmnn

(bmnn) C:\Users\mvres>conda install -c conda-forge jupyterlab
Traceback (most recent call last):
File "C:\Users\mvres\miniconda2\lib\site-packages\conda\gateways\logging.py", line 134, in emit
stream.write(ufs % msg)
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 41, in write
self.__convertor.write(text)
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 162, in write
self.write_and_convert(text)
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 190, in write_and_convert
self.write_plain_text(text, cursor, len(text))
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 195, in write_plain_text
self.wrapped.write(text[start:end])
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 41, in write
self.__convertor.write(text)
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 162, in write
self.write_and_convert(text)
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 190, in write_and_convert
self.write_plain_text(text, cursor, len(text))
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 195, in write_plain_text
self.wrapped.write(text[start:end])
LookupError: unknown encoding: cp65001
Logged from file exceptions.py, line 1088
Traceback (most recent call last):
File "C:\Users\mvres\miniconda2\lib\site-packages\conda\gateways\logging.py", line 134, in emit
stream.write(ufs % msg)
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 41, in write
self.__convertor.write(text)
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 162, in write
self.write_and_convert(text)
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 190, in write_and_convert
self.write_plain_text(text, cursor, len(text))
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 195, in write_plain_text
self.wrapped.write(text[start:end])
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 41, in write
self.__convertor.write(text)
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 162, in write
self.write_and_convert(text)
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 190, in write_and_convert
self.write_plain_text(text, cursor, len(text))
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 195, in write_plain_text
self.wrapped.write(text[start:end])
LookupError: unknown encoding: cp65001
Logged from file exceptions.py, line 1088
Traceback (most recent call last):
File "C:\Users\mvres\miniconda2\lib\site-packages\conda\gateways\logging.py", line 134, in emit
stream.write(ufs % msg)
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 41, in write
self.__convertor.write(text)
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 162, in write
self.write_and_convert(text)
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 190, in write_and_convert
self.write_plain_text(text, cursor, len(text))
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 195, in write_plain_text
self.wrapped.write(text[start:end])
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 41, in write
self.__convertor.write(text)
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 162, in write
self.write_and_convert(text)
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 190, in write_and_convert
self.write_plain_text(text, cursor, len(text))
File "C:\Users\mvres\AppData\Roaming\Python\Python27\site-packages\colorama\ansitowin32.py", line 195, in write_plain_text
self.wrapped.write(text[start:end])
LookupError: unknown encoding: cp65001
Logged from file exceptions.py, line 1088

'''

I'm getting the above error when I'm trying to run conda install jupyter. Is it because I'm trying to install it in a conda env, in a folder where I already have Jupyter installed for Anaconda3?