You will need to reboot twice during installation I don't remember what I clicked exactly, but I remember one of them said 'Do you want to overwrite your 'blah blah' settings?' and I clicked 'No'. You may encounter some strange 'Yes/No' questions which you may not know the answers to that have not prompted you during Visual Studio Setup before. Right click on Setup.EXE from the Visual Studio 6 CD (MSVS98) and choose 'Run As Administrator' (take note it doesn't matter if your user is already an administrator you still must 'Run as Administrator') Tutorial: How to install Visual Studio 6 With Service Pack 5 on Windows Vista RTM If these steps give you the 'broken installation files' error, remember to preserve spaces and also to use cariage returns where apropriate. Take note this does not work for Windows Vista 64 For those of you getting the MDAC error.įollow these steps to the letter if you wish to run Visual Studio 6 Setup and SP5 setup under Windows Vista RTM.