mclmcrrt77.dll missing after installing Windows 7?
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After OS upgrade to Windows 7 from XP, my .exe stopped working. The error message says: "The program can't start because mclmcrrt77.dll is missing from your computer. Try reinstalling the program to fix this progblem."
I tried to rerun MCRInstall.exe but it didn't help. (MCR v7.7)
Please help~
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Answers (3)
Walter Roberson
on 9 Jun 2011
Question: did you go from 32 bit to 64 bit? If so then you will need a different MCR, I believe.
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Kaustubha Govind
on 10 Jun 2011
You will need to have the person who compiled the application to provide you with the 64-bit version of the MCR (it is included with a 64-bit installation of MATLAB Compiler). The MCR cannot be placed for public download for licensing reasons.
However, note that users have been able to have 32-bit MCR running on 64-bit Windows in the past - see http://www.mathworks.com/support/solutions/en/data/1-3PKX8O/index.html
I think the real reason in your case is that $mcr_root\ver\runtime\win32 has not been added to your system path. I find that on Windows 7, if you don't run installers as Administrator, it doesn't not give them privileges to perform operations like modifying the system path.
hervineau sebastien
on 19 Sep 2016
Try this research mclmcrrt77.dll on your computer and delete all the founds
or go to C:\Windows\System32 and delete the file mclmcrrt77.dll if you have and go to C:\Windows\SysWOW64 to delete again ,
And try to ré-install MCRInstaller.exe ( install on c: ) the typical install ....
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