Why is it slow to open any program after pressing the host key in Windows 7?

The specific method is as follows:      

1. Check whether the computer has been poisoned. If the computer has been poisoned, we must take a look at it;

2. In the system, press "Win + R", open "run"-"msconfig", and then press the Enter key;

3. On the "system configuration"-"start" tab of the computer, deselect the check boxes of programs that do not need to be automatically started;

4. Switch to "service", remove unnecessary applications, and click "OK". Restart the computer again.

 

Well, the above is a solution to slow startup. In fact, it is to optimize the startup of the service application.