Ways to let those invalid program icons disappear completely

        Some programs will automatically display an icon in the taskbar notification area at runtime to indicate that it is being executed. In Windows 7, although it is possible to customize whether to display these program icons, whether it is the program currently used or the program that has been uninstalled, as long as Stayed in the notification area, it will be recorded and stayed. So how can I completely remove these invalid program icons? Let's take a look at the specific method: Click the Start menu, type "Regedit" in the search box and press Enter to open the Registry Editor, navigate to HKEY_CURRENT_USERSoftwareClassesLocalSettingsSoftwareMicrosoftWindowsCurrentVersionTrayNotify (in case, just in case, you can first export this part of the registry content) Backup: Right click on the TrayNotify item and select "Export". Then delete the following "IconStreams" and "PastIconsStream" keys, press F5 to refresh and exit the Registry Editor. After modification, you can restart the computer or press "Ctrl+Shift+Esc" to call up the task manager, end the "explorer.exe" process, wait a moment and then click "File/New Task" on the Task Manager and enter " Explorer and make sure that the taskbar will reappear and the invalid program icons in the notification area will disappear.