DMC, Inc.
Visual studio 6.0

Installing Visual Studio 6.0 on Windows XP or Vista

One of the more fun, and sometimes challenging aspects of working at DMC are service calls to work on legacy systems, hardware, and software. I have recently been working on a Baldor motion control system with a Visual C++ 6.0 front end.

When I first joined DMC, we would implement C++ or VB 6.0 solutions quite frequently. Now we use the .NET platform, so I have not had Visual Studio 6.0 installed on my laptop for over a year. I ran into some problems during the install. Ultimately, the problem appeared to be Java related:

"javasign.dll was unable to register itself in the system registry"

Here is a fix for this problem:

  1. Download this javacypt.dll file (zip) and extract it.
  2. After extracting the file (javacypt.dll) place it in your system32 directory (C:\windows\system32)
  3. Register the dll:
    • Open up a command prompt by Start -> Run -> type in 'cmd' and select OK.
    • Type the command: regsvr32 c:\windows\system32\javacypt.dll
  4. Install Visual Studio 6.0 again.
  5. Don't forget to install the latest service pack! (6.0)

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