It is not uncommon for a program, actually many programs, to periodically automatically back up an open file that you are working on. It uses the same file name with a different extension. Whether you do or do not name your files very well is a moot point.
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Apparently the o/s and applications do a better job to name the files than we do by using three characters at the end. Then we cry we can't see the characters we didn't assign the filenames. LOL
Which "two excellent virus scanners" would those be? Microsoft security essentials has little performance overhead but it's not terribly effective either. Is Microsoft Safety Scanner any better?
Yeah, but they don't find or block stuff that the better commercial products do block.
Note that I do not consider any Norton product to be "the better commercial products".
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