You can have as many windows as you want open at one time.
Typically no, but computer hackers can access anything they put their minds to.
Ports are like doors to a computer each computer has many ports. Without any open ports your computer wouldn't be able to access the internet, to find open ports you can try a portscan
You will need Microsoft Access installed on your computer to open MDB files.
The main reason there is a lack of window screens in France is because of the way the windows are made. In the United States, most residential windows are made to open up and down, which makes it easy to add screens. In France, most of the windows open out, like French doors. This makes it difficult to fit them with screens.
You can save any attachment to your computer. You will need Microsoft Access to actually open it.
Put the CD into your computer there is usually a piece of software that will open allowing you to access the additional content.
You access itunes on your computer by opening up the file to where you've downloaded itunes to. You open the browser to where itunes has been saved and will restart your computer once you've clicked on it in order to add itunes onto your desktop.
Random access Memory is a memory which helps open programs in the computer to run properly this memory is removed once all of the computer is turned of you can add more RAM to make your computer faster to open programs if your computer has all the RAM in use you cannot open any more. Like you said an average computer has 4-6 GB of ram
as many as you want
It depends what you mean by 'cant access'. a) If your computer crashed while a file was open - Open Office should automatically attempt to recover the file next time you open it. b) If the file is locked by a password - you need to enter the correct password to open it.
Make sure that the username and password are correct and that the internet access from your computer is working.
If the files are still on the USB drive, you can open them, even though they were never saved to the actually computer. The USB drive is a portable hard drive, plugging into your computer gives you access to view what is on the USB drive without having to save them to the actual computer.