The browser is a necessary tool in the computer, the extension tools, search providers, accelerators, and so on are usually managed through browsers, tools, and management add-ons, but there is a problem where the user reflects the "Manage Add-ins" button in the Tools menu and turns gray, causing the click Management add-in to be unresponsive. The main reason for this is that the Win7 64-bit registry has been modified, and we can resolve the management add-in in the following ways to fix the dimmed failure.
1, open "Run", in which the "regedit" character, and then enter open Registry Editor;
2, location path to:
3, then on the right side of the picture window, find Noextensionmanagement (REG_DWORD), the noextensionmanagement of the value from 1 to 0, and then click OK, and finally restart the computer can be.
Registry in the Windows operating system plays an important role, once the malicious changes can lead to a variety of system failure problems or even panic, if the user encountered in the browser management add-in gray problem, you can follow the tutorial to modify the registry method to solve, is not very simple?