Idont know if the registry clean was, but its the only thing that could do anything.Im using windows 7 and i read that it already includes in the core the component and i cant reinstall it.
Maybe you have an incompatibility issue (see this KB), here is an extract from Wikipedia:Windows 7 SP1 has broken backwards compatibility of MDAC 2.8. Software compiled on Windows 7 SP1 that relies on MDAC ADO will not work on Windows versions prior to Windows 7 SP1 (including Windows 7 RTM, Vista, XP).[62] Microsoft has provided solutions to work around this issue for some applications but VBA applications remain affected.[63]
A simple fix, change regional settings to English Europe and it works, i think the mdac drivers is set for English Europe, one can still set your formats to what ever your settings should be like 2 decimals, Currency symbol, date format and measure settings but must use English Europe for Regional settings and make sure you have a "," as list separator
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