TCPView is a great little utility that keeps it simple and does its job well. Since there's no install, removing the program is as simple as deleting the files or directory you placed them in. The download comes as a ZIP file with no installer, and there are two executable files in the ZIP, which may be a tad confusing. Introduction TCPView is a Windows program that will show you detailed listings of all TCP and UDP endpoints on your system, including the local and remote addresses and state of TCP connections. We couldn't get the included Help file to load, but the program itself seemed quite stable. Download TCPView (2.1 MB) Run now from Sysinternals Live. You can also save the entire list to a text file, and alter the speed at which the list refreshes. If there's a lot of activity on your system, you can filter the list.

If a particular program-or perhaps malevolent bit of spyware-is streaming data from your system, you'll be able to see it, and, with the handy context menus, either close the connection or end the process. The list auto-updates as connections are created or destroyed, so you can see your network activity in real-time. You get a list of the TCP/UDP connections on your system, and the ability to interact with specific connections or the process that created them. TCPView presents you with a very simple interface that is appropriate to its purpose and relatively easy to use.

If you still can't find the file you need, you can leave a 'message' on the webpage.If something on your system is running amok, or you think you might have a spy in your midst, or you're simply curious (or obsessive) about the inner workings of your network, give this simple program a look.

If yes, please check the properties of these files, and you will know if the file you need is 32-bit or 64-bit. If you encounter this situation, check the file path to see whether there are any other files located in. There is a special case that, the operating system is a 64-bit system, but you are not sure whether the program is 32-bit or 64-bit. If your operating system is 32-bit, you must download 32-bit files, because 64-bit programs are unable to run in the 32-bit operating system. (Method: Click your original file, and then click on the right key to select 'Properties' from the pop-up menu, you can see the version number of the files) If your original file is just corrupted but not lost, then please check the version number of your files. If you know MD5 value of the required files, it is the best approach to make choice Tip: How to correctly select the file you need

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