Toolbox no longer available and Installation path not accessible

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I installed by ".mtbx" and used an toolbox. It worked fine, but i changed the user folder name on my windows system. Now when i try to use function from this toolbox, i have this issue "Unrecognized function or variable" and i can't reinstall this toolbox beacause "Toolbox cannot be installed. Installation path is not accessible".
How can i fix it without reinstall Mathlab ?
I use the 9.8.0.1323502 (R2020a) Matlab version with COVID-19 Classroom Access trial and this toolbox https://petercorke.com/toolboxes/robotics-toolbox/
  2 Comments
Walter Roberson
Walter Roberson on 19 May 2020
which operating system? The paths are different for the different operating systems
Walter Roberson
Walter Roberson on 19 May 2020
for that matter I just suggest that you use pathtool to locate the current path entries for the toolbox and remove them, and to add in new entries reflecting the new locations.

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Answers (1)

Markus Wendt Schelske
Markus Wendt Schelske on 16 Sep 2021
Hi,
I had the exact same problem. I also changed my user folder name and I could not install a .mtbx toolbox afterwards (actually the same tool box as you) although I've had the tool box installed before I changed user folder name.
I tried to reinstall MATLAB but it did not work.
The solution I found was to run MATLAB as administrator which gave MATLAB write access to the path and to install the tool box.
BR

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