After win7 computer optimization, what can I do if the program icon cannot be dragged to the taskbar?

Although it is said that the w764 flagship system that we pre-installed is the same, but because of the different users and different needs, the software installed in the win7 Ultimate computer is different. The application programs that we need to use every day are also different. In order to facilitate the startup and the boundary of operation, many users of win7 Ultimate computer like to lock the programs they often use to the task bar below, but Recently, many users have found that their win7 Ultimate computer can not achieve this operation, the program icon can not be dragged to the taskbar, then how to deal with this situation?

The first method: First, we press the win+R shortcut key on the win7 Ultimate computer keyboard to open the running window of the computer. In the open running window, we input the following groups of commands in turn, without inputting a group. Press the Enter command on the keyboard:

cmd /k reg add “HKEY_CLASSES_ROOTlnkfile” /v IsShortcut /f

cmd /k reg a Dd “HKEY_CLASSES_ROOTpiffile” /v IsShortcut /f

cmd /k taskkill /f /im explorer.exe & explorer.exe

After all three sets of commands have been run, let's restart win7 The flagship version of the computer is fine.

The second method: we move the mouse to the taskbar window below, then right click on any blank space, then we cancel “lock the taskbar”, then, right click on the task Find the toolbar in the bar and select the quick launch bar, then drag the icon you want to drop to the quick launch bar.