Windows 7 Turn off notification area cleanup

If this setting is enabled, the system notification area will expand to show all notifications that use this area; if this setting is disabled, the system notification area will always collapse the notification; if this setting is not configured, win7 users can choose Whether to fold the notice.
Step 1: Expand the HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionPoliciesExplorer subkey in the Registry Editor.
Step 2: In the right window, find or create a DWORD key item named “NoAutoTrayNotify”, and set its value to “ld”;1”, indicating that the notification area is cleared; if the value is set to “0”, open the notification area to clean up.
Step 3: Close the Registry Editor and restart the win7 system, the settings will take effect