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tdh.dll is a part of Windows Vista.
Default location: %WinDir%\System32\tdh.dll
Useful information about: tdh.dll
Description: Event Trace Helper Library
Version: 6.0.6000.16386 (vista_rtm.061101-2205)
Size: 411648 (402K)
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Constantly updated. Last update:
October 13 2008
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