Webuser Forums: 'Browser Is Corrupt'

Don't know if this is posted in the correct forum because it's subject is a first for me.

Switched on an hour ago, connected, updated AVG, then opened Internet Explorer, (Google Home page). Clicked on Favorites - WebUser, something's wrong, I need to login, why? I never logged out, then WebUser would not let me log in.

Closed IE, opened BTYahoo browser, (personalised home page) - checked the mail and off to WebUser again. Same thing, login, can't login. Then up pops a message "YBrowser Is Corrupt - run a Check Disk. So I did, in fact it ran two.

During the first run, I noticed an entry, "Deleting index entry George@webuser.co [4] .txt in index $I30 of file 965." among other index entries which meant nothing to me. After some considerable time the check completed restarted and off we went on another one. That's another first.

Finally all was well and reconnected, opened IE then WebUser, still had to login but was allowed.

Fine, it's cured but of course I'm curious. Can anyone explain what would cause this situation please. It's beyond my experience.

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