Computer searching for drives ad infinitum

Hello,

Sometimes "My Computer" can't find its drives and components. It's searching on and on... untill I stop it by killing "Explorer" process or restart the system. Did anybody encounter such an issue?


(As you can see "Computer" found 3 items but not displayed them.
Hard disk partitions C: and D: are available by "Run" command field. I haven't check optical drive... I will do this next time when problem would back.)

Best Regards

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