Please read our before installing. (Make a backup copy of the original file). Free Download mouclass.sys to your computer. Silabs c8051f320 driver for mac free. Copy the file to the install directory of the program that missing the file. If that doesn't work.

Driver Sys File

You have to move the file to the system directory. (Windows XP, Vista, Windows 7) - C: Windows System32. (Windows NT/2000) - C: WINNT System32.

Mouclass Driver

(Windows 95/98/Me) - C: Windows System If you use a 64 bit version of Windows, The System Directory in C: Windows SysWOW64. Reboot computer. SYS File Error Message If Windows is unable to run application due to mouclass.sys error or mouclass.sys not found, mouclass.sys may be missing or you may have a registry error. We strongly recommend that you download the latest official drivers, fix driver problems and keep them updated.