Hello, i would like to now if someone can help me with this annoying problem. When i´m in the internet searching for something, the computer turns off and starts again, and it appears a blue window with a message. Then, it comes a message saying that occured an error and to send the error report to microsoft. i sent it and it says:

Solution found: install missing updates
Thank you for submitting an error report. The error was likely caused by:
Surfboard 4100/4200 (netmotcm.sys)
your computer is missing updates that can fix or prevent the problem you reported.
Click the following link to install recommended updates from the Windows Update website:
then i do the update but my computer is already updated. This occurs very frequently, im tired of that. It might be any virus?? but im well protected...Pleaseee heellpp. Thanks