I have data in c:/ (vista installed) Documents, Downloads etc, and also I have data to D:/ second hdd, well is dangerous after update to SP2[AND FAILURE) lost data in D:/, so backup data of it, along c:/ disc's DATA, OR NO DANGER AND BACKUP ONLY C:/ data, well? I guess the latter?

ARE THEY indeed in danger and files NOT in the main os [vista] HDD BUT ON SECOND OR THIRD INTERNAL DRIVES...Is somewhat difficult backup all these data in internal [not main] hdds?

The best advice is, if you can't afford to loose it, BACK IT UP!

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