What does Ksthunk sys mean?
Ksthunk. sys uses the SYS file extension, which is more specifically known as a Kernel Streaming WOW Thunk Service file. It is classified as a Win64 EXE (Driver) file, created for Microsoft® Windows® Operating System by Microsoft. The first version of ksthunk. … sys is packaged with Windows 7 and Windows Vista.
What is Usbvideo sys?
USB Video Class Driver files, such as usbvideo. sys, are considered a type of Win32 EXE (Driver) file. They are associated with the SYS file extension, developed by Microsoft for Microsoft® Windows® Operating System. The first version of usbvideo. … sys is found in Windows 10, Windows 8.1, and Windows 8.
How do I fix my Portcls system?
portcls. sys failed to load. The file portcls. sys is missing or corrupt….2. Run SFC scan to fix SYSTEM_SERVICE_EXCEPTION (portcls. sys) error in Windows 10
- Open Command Prompt with Administrative rights.
- Type sfc /scannow and hit Enter.
- Allow the check to launch.
- Follow on-screen commands until the process is complete.
Apr 6, 2021
How do I fix Usbvideo Sys?
usbvideo. sys Failure
- Start – type in Search box – COMMAND find at top of list – RIGHT CLICK – RUN AS ADMIN. …
- Then update your video/display, BIOS and other major drivers. …
- Installing and updating drivers in 7 (updating drivers manually using the methods above is preferred.