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What does the error message say?
The details about which thread it is may point to the cause.
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Does this happen in all display modes, or only some? e.g. Thumbnails mode but not Details mode?
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If you are in Details mode, does it depend on which columns are visible?
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Does it only happen in certain folders, or in places where certain types of files (e.g. video files) are present?
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Have you installed any script add-ins? They can affect performance.
The type of issue you're seeing is generally caused by a conflict with a third-party shell extension that something has installed. These two guides can help track down the cause if that is the case: