Mostly when i open the Task Manger i receive the message " the stub received bad data "
what is the problem?

Are you up to date with all Windows updates? If not, I suggest you update the computer.

https://support.microsoft.com/en-us/kb/2028588

https://support.microsoft.com/en-us/kb/2028588

• Proposed as answer by Niko.ChengMicrosoft contingent staff 22 hours 56 minutes ago

https://support.microsoft.com/en-us/kb/2028588

• Proposed as answer by Niko.ChengMicrosoft contingent staff Wednesday, September 02, 2015 8:30 AM