Malware/virus attack: The virus or malware on your computer may lead to the damaged or corrupted msvcr100.dll file.In addition, the following situations are also responsible for the msvcr100.dll was not found error. The most common cause is that you delete the file accidentally or mistakenly. In order to fix the problem, you need to figure out what causes the msvcr100.dll missing error. In addition, this file is required by some web browser extensions. This is because the Msvcr100.dll file is required by some programs to run properly on your Windows PC. Once you encounter the msvcr100.dll was not found issue, your system may not be started smoothly. Msvcr100.dll is a Windows DLL file that is included in the Microsoft Visual C++ 2010 Redistributable Package, or some applications also contain the file. Repair the Msvcr100.dll Missing Error Issue Using a Registry Cleaner Download the Microsoft Visual C++ 2010 Redistributable Package Copy the Msvcr100.dll File from Another Computer Perform a System Restore to Undo the Current System Changes Restore the Msvcr100.dll File Using MiniTool Partition Wizard In the post of MiniTool, you will learn 10 accessible methods to fix the msvcr100.dll was not found issue. Are you also troubled by the error? Don’t worry. The msvcr100.dll missing error often pops up when starting the system or installing a program.