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Possible Duplicate:
Windows Updates Folders (With Strange Names) in C drive

What are the directories on the C: drive that have odd names like "e0b21d8c70609853dc"? Can I delete them?

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marked as duplicate by Tom Wijsman, surfasb, Ƭᴇcʜιᴇ007, Moab, AndrejaKo Nov 1 '11 at 8:15

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

Yes, it is a duplicate. I suppose I can delete this one then. – Cathy Sullivan Oct 31 '11 at 23:41

These directories are usually temporary directories created by patches, service packs or other installers.

If they contain no files inside, they are safe to delete.

If they contain files, they may be safe to delete (especially if they only contain text log files), however, I personally prefer to just leave them.

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