Win7 Ultimate computer current window always loses focus how to do?

            Although many users think that the win7 64-bit flagship version is very perfect, but we have to say that there is a certain flaw in the perfection of win7 Ultimate system, for example, when our win7 Ultimate system has been used for some time, It is prone to slow operation, and at this time, we need to clean up the files in the win7 Ultimate system. Many users who want to use the optimization software will choose to use the optimization software, but it is easy to use our optimization software to win our win7 flagship. There is a problem with the version system. This is not the case. Today, some users have come to consult and say that their win7 Ultimate computer has lost the focus of the current window after using the optimization software. So how do we solve this problem? Below, Xiaobian Let's take a detailed introduction!
Fault Analysis: After research, the reason for this phenomenon is that the ForegroundLockTimeout item in HKEY_CURRENT_USER\\Control Panel\\Desktop in the registry has been modified because the optimization software is running. Here we specifically introduce the solution:
1. First, let's press the win+R shortcut on the win7 Ultimate computer keyboard to open the computer's running window. In the open running window, we enter regedit and single Hit the car so that you can open the registry editor window of the win7 Ultimate computer.
2. In the open registry editor window, we click to expand HKEY_CURRENT_USER\\Control Panel\\Desktop, then find the ForegroundLockTimeout option inside, double-click to open the item, change this value to any of the decimal 6 More than the number of digits (system default 200000 milliseconds /hexadecimal 30d40) is fine.