Oracle - SQL Developer: msvcr100.dll is missing from your computer

Even tho the question is answered I would like to point out that downloading random DLLs from untrusted sources should be avoided.

If you are missing MSVCR100.DLL just install the correct redist for your platform.

32Bit: Microsoft Visual C++ 2010 SP1 Redistributable Package (x86) http://www.microsoft.com/de-de/download/details.aspx?id=8328

64Bit: Microsoft Visual C++ 2010 SP1 Redistributable Package (x64) http://www.microsoft.com/en-us/download/details.aspx?id=13523

Cheers, Antonio Huete


These information is specified in ORACLE_HOME\sqldeveloper\releasenotes . So install the jdk1.6 and make the sqldeveloper.conf SetJavaHome point to this.

other workaround is go to jdk1.7.0 installed path jdk1.7.0\jre\bin copy msvcr100.dll and paste it into ORACLE_HOME\sqldeveloper\sqldeveloper\bin and again try start SQL Developer. It will start.

And The file is from

This file was downloaded from: http://www.dll-files.com

If you downloaded it from somewhere else, please let us know: http://www.dll-files.com/contact.php

Installation instructions:

Extract the .dll file from .zip file. We recommend that you extract the .dll to the installation directory of the program that is requesting the .dll.

If that doesn't work, you will have to extract the .dll to your system directory. By default, this is:

C:\Windows\System (Windows 95/98/Me)

C:\WINNT\System32 (Windows NT/2000)

C:\Windows\System32 (Windows XP, Vista, 7, win 8)

If you use a 64-bit version of Windows, you should also place the .dll in C:\Windows\SysWOW64\ Make sure to overwrite any existing files (but make a backup copy of the original file for safety). Reboot your computer.

If the problem still occurs, try the following:

  • Open Windows Start menu and select "Run...".
  • Type CMD and press Enter (or if you use Windows ME, type COMMAND)).
  • Type regsvr32 .dll and press Enter.

If you have any other problems, see our HELP-section at www.dll-files.com/support/


I have just downloaded latest 4.1.3 version with jdk included - Windows 64-bit with JDK 8 included to my Windows Server 2008 R2 64-bit and faced the same problem. Could not start sqldeveloper.exe, because "msvcr100.dll is missing from your computer".

I did not want to install any additional bloatware, so what I did:

  • take msvcr100.dll from original download SQLDeveloper folder sqldeveloper\jdk\jre\bin
  • and copy it to Your's oracle installation bin folder, in my case - C:\oraclexe\app\oracle\product\11.2.0\server\bin

SQL developer started!