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If you notice that Windows Explorer, Microsoft Office or Windows Movie Maker crashes frequently in Windows 7 or Windows Server 2008 R2, this article might interest you.
This problem could occur due to a known problem in the Ole32.dll file. If some applications implement the IEnumFORMATETC interface but do not correctly implement the IEnumFORMATETC::Next() function, Ole32.dll inserts an incorrect data structure into the system clipboard.
No, if another process queries the clipboard later, the processes can get this defective data structure. Therefore, heap corruption occurs in this process.
To solve this problem, Microsoft released Fix369974 which you can download and use from KB2541119.
Windows Explorer crashes or freezes frequently.