When you copy a file from any disc to your hard disk, you will, at times, come across some errors. The error message may say, for instance, that you do not have enough space left in the destination drive. When you really do not have the space, it is understandable. But, there may be incidents when you get a message saying that you do not have enough space remaining in the disk, when in reality, you may have lots of space left. These circumstances may leave you worried about the health of your hard disk. Well, don’t start worrying yet.

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If you use an e-mail service regularly, then you must have received a lot of unsolicited e-mails from various sources from time to time. These e-mails are often not from anyone you recognize, and simply appear to advertise some product or service, urging you to use it. Well, welcome to the world of spam.

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Emulators, as you may already know, are special types of software programs that allow you to run old ROM images from console games in your PC. Old console games shipped in cartridges, which you had to plug into game consoles in order to play the games. Some programmers copy the code from the ROM into an image file to create an executable file that can be run under Windows operating system, allowing gamers to get back to the glory old days of gaming.

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You should clean up your hard disk periodically to make sure that unwanted files don’t pile up in your PC, slowing it down. However, you may come across a scenario at times when your Windows PC performs the initial steps Disk Cleanup just fine, but hangs when you reach the step named “Compress Old Files”. In these cases, a faulty registry key of Windows is usually the cause of the trouble. To solve it, you have no option but to tinker around with your Windows registry.

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If you have ever come across PRN files, then you would know what a nuisance these can be. If you right click on these files, you never get the option to print the file. At the same time, you cannot open the file using any application either. The moment you do that, all you see are garbage characters that you can’t even read, leave alone print.

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Google Maps is a tool you can use via your Internet browser. You can find maps filled with great amounts of detail, yet it only works when you are online, and there are no built-in features to save a particular map.

The ‘Print’ option is one way to save a map (in PDF format) within Google Maps – the downside of this method is that one can only print what is actually on-screen. If you wish to capture a bigger physical area, you may have to zoom out multiple times, thus losing the location’s minute details. Conversely, if you want to show accurate detail, you would have to zoom in and lose the rest of the expanse.

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Packet size which is sometimes called Maximum Transmission Unit (MTU) refers to the maximum quantity of data that is able to be transferred within a single physical frame on a network. On an Ethernet connection, the MTU reaches 1500 bytes while for point to point protocol over Ethernet, it is 1492 bytes. Dial up connections have a Maximum Transmission Unit of 576. Individual transmission units are made up of actual data as well as header data.

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