Fix: cFosSpeed Driver Windows 11 Installation or Update Error

During Windows 11 installation you may encounter a cFosSpeed Driver error that prevents installation. cFosSpeed program is integrated into the existing internet connection. It helps to optimize data transfer and speed with Traffic Shaping and Prioritization on select PCs. The cFosSpeed is belonged to cFos Software GmbH and is stored in the C:\Program Files directory in Windows PC. If your PC is affected by this error then don’t worry. Here we have discussed several methods to resolve the issue so that you can complete the Windows 11 update process.

cFosSpeed Driver Error

How to Fix cFosSpeed Driver Windows 11 Update Error?

Method 1: cFosSpeed Driver Update

If you see the message “Your PC has a service that isn’t ready for this version of Windows 10, and a new version is available” then you can fix the issue by updating the cFosSpeed driver. To update the driver on your PC you have to visit here. Now download and install the latest version of the cFosSpeed driver.

Method 2: cFosSpeed Driver Uninstall

If the above method did not work for you then you can uninstall the driver altogether from the PC. To uninstall cFosSpeed follow the below steps:

  • Use Windows + R key to open the Run dialog.
  • Type ncpa.cpl in the Run dialog box to open Network Connections.
  • Now right-click on the active network adapter> Choose Properties.
  • In the network adapter Properties sheet, look for the cFosSpeed for faster Internet connections (NDIS 6) entry and select it.
  • Now Uninstall and then Reboot the PC.

Method 3: Perform Hardware Clean Boot

We know that Hardware Clean Boot is different from the usual Clean Boot State. Here we disable the hardware components through the Device Manager that are not necessary for a system. As the cFosSpeed driver is associated with the network adapter hardware so the issue could be fixed by performing Hardware Clean Boot. To do this open the Run dialog and use devmgmt.msc command to launch Device Manager page. There you can easily disable the drivers that are not in use.

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