dear all, i've found this repair software on internet, searching a solution to fix problem with mdac, with test_mdac tool i see the classic error 91 with ADO, so i try to use this software, latest version 4.0.12, using repair "08 - Repair MDAC/MS Jet fails", i try in windows normal mode and in safe mode, but the problem persist, is cannot solved it with this tool, i'm using windows 7 x64 italian updated with all windows updates! can anyone help me ? i really need ado on this computer and i cannot format it! thanks!