CCleaner cleared my password?

After running CCleaner, the password I use to open a spreadsheet no longer works. The biggest problem is that the spreadsheet contains ALL my passwords. Any suggestions?

Do you mean that you know the password but it is no longer accepted? There are many software kits for opening password spreadsheets, just Google, but most seem to want some money up front.

Is the spreadsheet Excel or M/S Works or some other product?

Do you have a backup on cd or some other media? You could try restoring that to some other folder and seeing if that can be opened.

As for why CC should do this, or even if it was CC, I don't know. Did you run the Cleaner section, or the Registry section, or both? If Registry, restore the registry settings from the backup CC made before the changes were done. You did back up the registry, didn't you?