The program can’t start because MSVCR71.dll is missing from your computer. Try reinstalling the program to fix this program

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Long ago, I installed 32-bit Oracle SQL Developer 2.1 on a Windows XP (32-bit) machine. I have since moved to Windows 7 (64-bit) and copied the SQL Developer 2.1 from the old machine onto the new one.

When I try to run sqldeveloper.exe, I get the following message:

The program can’t start because MSVCR71.dll is missing from your computer. Try reinstalling the program to fix this program.

I know that this is because of 32-bit software which was installed in Windows XP is incompatible with 64-bit machine. Is there any alternative to open 32-bit software on a 64-bit machine, or do I need to install the 64-bit version of Oracle SQL Developer?

oracle-sqldeveloper dll
5 Answers

MY SOLUTION!!!!!!! I fixed this problem when I was trying to install business objects. When the installer failed to register .dll's I inputted the MSVCR71.dll into both system32 and sysWOW64 then clicked retry. Installation finished. I did try adding this in before and after install but, install still failed.

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