wdfcoinstaller01001.dll
If that doesn't work, you will have to copy wdfcoinstaller01001.dll to your system directory. By default, this is: Windows 95/98/Me - C:\Windows\System Windows NT/2000 - C:\WINNT\System32 Windows XP, Vista, 7, 10 - C:\Windows\System32 If you use a 64-bit version of Windows, you should also copy wdfcoinstaller01001.dll to C:\Windows\SysWOW64\ Make a backup copy of the original files Overwrite any existing files Reboot your computer. If the problem still occurs, try the following: Open Windows Start menu and select "Run...". Type CMD and press Enter (or if you use Windows ME, type COMMAND) Type regsvr32 wdfcoinstaller01001.dll and press Enter. If you can't find windows directory try the following: Open Windows Start menu and select "Run...". Type CMD and press Enter (or if you use Windows ME, type COMMAND) Type %WINDIR% and press Enter. wdfcoinstaller:
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