Reset database for Avast Password

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Thanks Charyb, that actually did the trick. I just had to sign in with any generic account. So I used this one. I didn't feel like creating a new account to post on here, so I just used the one already created with a mailinator address (disposable e-mail boxes that anyone can access). So I reused the same account on there, and dozens of PCs showed up using this same account... lol.
Then removed the account, and that removed the passwords.

A bit of a roundabout way, but it solved it.
Thanks everyone for your input.

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And oddly enough, signing back in with the same account does not restore the passwords. So they're not saved to the account, despite the fact removing the account also removes all stored passwords... Most odd.