If you are getting Stop error 0x9F in the Usbhub.sys driver in Windows 8.1 then you can solve this error by the given solution of stop error 0x9F in the Usbhub.sys driver. Stop error message is very problematic for our computer. Windows 8 is the latest operating system that is launched by Microsoft but there are so many drawbacks and errors in windows 8 that have been overcome by launching windows 8.1. There are so many problems in windows 8 that are solved in newly launched windows 8.1. But in windows 8.1 so many errors you may face just like windows stop error code 0x9F. Stop errors are very harmful error. when the stop errors generate in our computer then the processing of work stopped that is very harmful to us. This is a driver error by which the chances of data loss may increase. The windows 8.1 stop error code 0x9F occurs in the Usbhub.sys driver.
Causes of windows stop error code 0x9F
The windows stop error code 0x9F occurs when the HPET hardware timer and the hardware itself both are updates certain registers in the same times and its leads like a race condition and you will face the windows stop error code 0x9F in your computer.
The solution of stop error 0x9F in the Usbhub.sys driver
To solve the windows 8.1 stop error code 0x9F you have to disable the Quicken 2000 download manager feature from the device manager. To remove it press windows key from the keyboard and then type control panel. From the search list, open control panel and then you have to double click on system and then click on the device manager that is available in the hardware tab. After that click on show hidden devices that is available in the view menu and then to expand the Non-Plug and Play Drivers, you have to double click on it. Now right click on the mrtRate driver and then click on properties. When the properties window will open then you have to click on driver tab. Click on stop that is in the current status section. After that finally, click on disabled that is available in the type box in start-up section.
After applying these steps in windows 8.1 you will not receive the 0x9F error in Usbhub.sys driver. You can also use the third party repair tool to fix all drivers error shortly.