Date:2013-03-15 Safety:Kaspersky McAfee Noton BitDefender AVG
USB Performance Objects DLL
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Go to the download page
Using the zip or rar file 1.Download usbperf.dll 6.1.7600.16385
2.Extract usbperf.dll 6.1.7600.16385 from .zip. We recommend that you extract usbperf.dll 6.1.7600.16385 to the installation directory of the program that is requesting usbperf.dll 6.1.7600.16385.
3.If that doesn't work, you will have to extract usbperf.dll 6.1.7600.16385 to your system directory. By default, this is:
C:\Windows\System32 (Windows XP, Vista, 7, 8)
C:\WINNT\System32 (Windows NT/2000)
C:\Windows\System (Windows 95/98/Me)
4.If you use a 64-bit version of Windows, you should also place usbperf.dll 6.1.7600.16385 in C:\Windows\SysWOW64\
5.Make sure overwrite any existing files (but make a backup copy of the original file).
6.Reboot your computer.
7.If the problem still occurs, try the following:
8.Open Windows Start menu and select "Run...".
9.Type CMD and press Enter (or if you use Windows ME, type COMMAND)).
10.Type regsvr32 usbperf.dll 6.1.7600.16385 and press Enter.
