See below some potential solutions for a missing or not found msvcr71.dll and why this happens on your system.
It’s important to only use trusted, official sources when downloading files like msvcr71.dll.
Restore msvcr71.dll from the Recycle Bin.

Msvcr71.dll Error Message.
Install Microsoft .NET Framework Version 1.1 Redistributable Packageto copy the original file to your machine.
That link is to an archive because Microsoft no longer hosts it.
Run a virus/malware scan of your entire system.
Reinstall the program that uses the msvcr71.dll file.
Search your system for a backup of msvcr71.dll.
Download the msvcr71.dll file from AddictiveTips.
Use System Restore to undo recent system changes.
Update the drivers for hardware devicesthat might be related to msvcr71.dll.
Roll back a driver to a previously installed version.
execute the sfc /scannow System File Checker commandto replace a missing or corrupt copy of the DLL file.
Install any outstanding Windows updates.
It may be the case that the problem msvcr71.dll file is included in one of those updates.
Test the RAMand thentest your hard drive.
You might end up having to replace the memory orreplace the hard driveif any of these tests fail.
Repair your installation of Windowsif the steps above still haven’t fixed the problem.
Use a free registry cleanerto repair issues related to this file.
Perform a clean installation of Windowsif none of the steps from above have been able to fix the error.
c’mon don’t skip directly to this step before trying the others from above.
This is the most destructive resolution because it removeseverythingand has you start over from scratch.
It should only be carried out if you’ve had no luck with the prior steps.
Troubleshoot for a hardware problemif none of the software related steps have proven helpful.
At this point, the only possible cause of the errors is a malfunctioning piece of hardware.
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