Solved

Problems Loading certain controls in VB6

Posted on 2001-08-08
6
465 Views
Last Modified: 2007-11-27
I am getting a message saying "No such interface supported" when I try to access the Components menu to add a component to the project. The components screen then loads but certain components can't be added to the project. e.g comdlg32.ocx gives the same message when I try to add it. However comctl32.ocx loads fine.

I've tried deleting all the registry keys for comdlg32.ocx and reregistering it but this didn't seem to change things. I will re-install VB6 but I have a feeling this will not fix the problem. I'm rather keen not to reinstall NT. I guess a recent program install has overwritten a dll etc but I'm not sure which.

While this may seem an NT question only VB6 seems to be affected compiled exe's etc seem to work fine.
0
Comment
Question by:colindow
  • 3
  • 2
6 Comments
 
LVL 43

Expert Comment

by:TimCottee
ID: 6362981
What version of comdlg32.ocx do you have on your machine, my NT4SP5 machine has 6.0.8105
0
 

Author Comment

by:colindow
ID: 6363244
I have 6.00.8418 dated in comments 22 Feb 99
0
 

Author Comment

by:colindow
ID: 6363249
Incidentally I'm on SP6
0
Free Tool: SSL Checker

Scans your site and returns information about your SSL implementation and certificate. Helpful for debugging and validating your SSL configuration.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

 
LVL 43

Expert Comment

by:TimCottee
ID: 6363280
Try deleting the mscomdlg32.oca file in the \winnt\system32 folder and run regsvr32.exe /u mscomdlg32.ocx to unregister it then reregister it. If this still doesn't work, try downloading the vb6 fix file from http://support.microsoft.com/support/kb/articles/Q194/7/51.ASP which fixes various licence issues with controls on some versions of VB. Also make sure that you are running VB6 with SP4 or 5 as there are some incompatibilities with earlier versions.
0
 
LVL 2

Accepted Solution

by:
PeteD earned 200 total points
ID: 6363638
Ensure that you do not have conflicting verions of comcat.dll on your PC. Search your entire route directory for comcat.dll, make sure the most recent version is in your system directory, and delete the rest.
0
 

Author Comment

by:colindow
ID: 6367079
Thanks PeteD. This seemed to do the trick. The only slight change was that in fact it was the latest version of ComCat that was responsible. Version 5 whereever that came from. I reinstalled ver 4.71 from NT sp6 and followed you advice and that seemed to do it.

Thanks TimCottee for taking the time to respond.
0

Featured Post

Active Directory Webinar

We all know we need to protect and secure our privileges, but where to start? Join Experts Exchange and ManageEngine on Tuesday, April 11, 2017 10:00 AM PDT to learn how to track and secure privileged users in Active Directory.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

I’ve seen a number of people looking for examples of how to access web services from VB6.  I’ve been using a test harness I built in VB6 (using many resources I found online) that I use for small projects to work out how to communicate with web serv…
Since upgrading to Office 2013 or higher installing the Smart Indenter addin will fail. This article will explain how to install it so it will work regardless of the Office version installed.
Get people started with the process of using Access VBA to control Excel using automation, Microsoft Access can control other applications. An example is the ability to programmatically talk to Excel. Using automation, an Access application can laun…
This lesson covers basic error handling code in Microsoft Excel using VBA. This is the first lesson in a 3-part series that uses code to loop through an Excel spreadsheet in VBA and then fix errors, taking advantage of error handling code. This l…

821 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question