Is This Possible ? ? ? ?

[William Young (SE BC)]

The power went off here a couple times in a lightning storm last night . Less than one minute each time before coming back on.
Next time I went to use my computer my cookies were cleared for all the sites that I visit that require user name and password . . aarrgg ! !
Besides several WW sites I also have gardening and automotive and various other sites of interest that I now have to use my ID to log back into.
This has never happened to me from a power failure before.
Should I blame the power failure for this or is there something else that could have caused it ?
Something I don't understand is that it didn't clear the MSN sites . They were the only ones that were exempt from requiring user name and password.
W.Y.

[CanadianScroller]

The MSN sites store the password remotely, the others are on your PC.
Yes the power outage could corrupt your passwords.

[William Young (SE BC)]

Thanks Carl;
Had lots of power outages before but this never happened as a cause of them. The computer was on at the time of the outage so of course it didn't shut down in the normal manner. It didn't even go through a scan disk when I re-started it so I am fortunate that no other damage was done.
What a job. Some sites I have forgotten my passwords to and have to have them emailed back to me. This time I am writing them all down.
W.Y.

[William Young (SE BC)]

UPDATE

Thanks guys. Someone on another site reminded me about system restore so I restored it to a day before the power outage and everything is now just hunky dory.
W.Y.