Install not working - missing download source

mpich2_win64_1527217954.enc  can not be downloaded by the installer.

This is because the currently used link has a space after the word downloads.
The wrong link is:
http://ssd.mathworks.com/supportfiles/downloads /R2018b/deployment_files/R2018b/components/3p/mpich2_win64_1527217954.enc


The correct and current link is with the extra space removed.
http://ssd.mathworks.com/supportfiles/downloads/R2018b/deployment_files/R2018b/components/3p/mpich2_win64_1527217954.enc


Workaround.

Download and install mathworks library separately.
https://ssd.mathworks.com/supportfiles/downloads/R2018b/deployment_files/R2018b/installers/win64/MCR_R2018b_win64_installer.exe

On windows, 10 FEATool may need to be run as an administrator to install correctly.

Thank you for the issue report and workaround, that will be very helpful for other users encountering the same issue. At this point it is not quite clear yet why the Matlab runtime is asking for install mpich as mpi functionality is not required or used by FEATool.

lunacyworks wrote

mpich2_win64_1527217954.enc  can not be downloaded by the installer.

This is because the currently used link has a space after the word downloads.
The wrong link is:
http://ssd.mathworks.com/supportfiles/downloads /R2018b/deployment_files/R2018b/components/3p/mpich2_win64_1527217954.enc


The correct and current link is with the extra space removed.
http://ssd.mathworks.com/supportfiles/downloads/R2018b/deployment_files/R2018b/components/3p/mpich2_win64_1527217954.enc


Workaround.

Download and install mathworks library separately.
https://ssd.mathworks.com/supportfiles/downloads/R2018b/deployment_files/R2018b/installers/win64/MCR_R2018b_win64_installer.exe

On windows, 10 FEATool may need to be run as an administrator to install correctly.