Windows Vista and Windows 10: To open the Task Manager, press CTRL + SHIFT + ESC. Click File , press CTRL and click New Task (Run…) at the same time. A command prompt opens. At the command prompt, type notepad, and then press ENTER. Paste the following text into Notepad: Windows Registry Editor Version 5.00 [-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.exe] [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.exe] [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.exe\OpenWithList] [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.exe\OpenWithProgids] “exefile”=hex(0): On the File menu,… Read More »