VB6 Updates

• VB 6 Runtime Files
  Run-time files are required by all applications created with VB6
  OS: Windows 95, 98, ME, NT4, 2000, XP
  [MS Download Page] [Download]

• VB 6 Service Pack 6
  Latest update to VB6 IDE
  [Download]

• Latest Cumulative Updates
  • May-2009 (KB-957924-v2)
    [View KB Article] [Download]
  • Oct-2009 (KB-974899)
    [View KB Article] [Download]
    
  • May-2012 (KB-957924)
    [View KB Article] [Download]
    

VB6 Common Controls Update
This is an update for the VB6 Common Controls: mscomctl.ocx and comctl32.ocx. Install this update after installing Service Pack 6, if you are having issues with Comctl32.ocx Listview control. You dont need to install this if you have already installed the cumulative update above.
Date: Nov-2005
[View KB Article] [Download]

Which Updates To Install?
Install Service Pack 6, and then May-2012 (KB-957924) Update. Thats all. May-2012 update replaces the May-2009 and Oct-2009 Update.

Updates NOT to Install
Never install the Dec-2008 (KB 957924-v1) Cumulative Update, it is very buggy according to Make My Manifest blog.

Further Reading:
http://www.vbforums.com/showthread.php?t=550276