The process of resetting your taskbar varies depending on your operating system. Here are the steps for Windows 10:
taskkill /f /im explorer.exe del /f /q %userprofile%\AppData\Local\IconCache.db reg delete HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Taskband /f reg delete HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Streams\Desktop /f reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Streams\Desktop start explorer.exe taskbar reset
If your Taskbar is acting up, follow this flowchart: The process of resetting your taskbar varies depending