Even with SP6, the VB6 IDE will crash on simple actions (like using the Help menu or opening the Add-In manager). Apply these fixes:
| Error Message | Fix | |---------------|-----| | "Setup was unable to create a DCOM user account" | Run setup as Administrator. Also disable any antivirus temporarily. | | "The VB6 IDE closes immediately after opening" | Apply the “Disable Auto Syntax Check” fix. Also, rename MSADDNDR.DLL to MSADDNDR.OLD in the VB98 folder. | | "Component ‘MSCOMCTL.OCX’ not correctly registered" | Run CMD as admin: regsvr32 "C:\Windows\SysWOW64\MSCOMCTL.OCX" | | "Error 1920 – Service failed to start" | Go to Services.msc → find “Machine Debug Manager” → set Startup Type to Automatic. | | ActiveX controls don't appear in toolbox | Use RegSvr32 on each .OCX file in C:\Windows\SysWOW64 . | Download Microsoft visual basic 6.0 for windows 10
Installing the VB6 IDE on Windows 10 or 11 (64-bit) - VBForums Even with SP6, the VB6 IDE will crash
Windows 10 is not natively compatible with the 22-year-old VB6 installer, so you must use these workarounds to avoid errors: | | "The VB6 IDE closes immediately after
Microsoft officially ended support for Visual Basic 6.0 in 2008. This IDE is outdated and not recommended for new development. It is provided here for legacy maintenance of existing applications only. Use at your own risk, and always scan downloaded files with antivirus software.
This installs all core OCX/DLL files ( MSVBVM60.DLL , COMCTL32.OCX , etc.) and registry entries required to execute any VB6-compiled program.