Creating a Hidden User Accounts With Windows XP.

An account will not show hidden from other users. Here's how to create
1. Click Start, Run, and type"Regedit" (without quotes)
2. Go by double clicking on folders Left on:HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows NT \ CurrentVersion \ Winlogon \ SpecialAccounts \           UserList
3. Edit or create a DWORD value Right clicking on the right of the screen and selecting "New" -> "DWORD Value"
3. Enter the name of the secret intezione you have to create for example: "AccountNascosto"
4. Now set the value to 0 to Date to hide the account. (1 would make visible)
5. Exit the Registry Editor and restart.
 How to enter the hidden account
In the login page press twice CTRL + ALT + DELETE and enter your username (Account Nascosto for example).

Note well: the account is fully Hidden folders will be created as And in the Document Settings but there will be less visible

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Memory tune correctly under Windows

Memory modules are as cheap as ever - and the years before the usual RAM sizes of 1 or 2 GB for many applications, not long enough. So why not treat an older PC for a few euros more RAM? But the growing memory to 4 GB and more, sometimes makes the operating system a spanner in the works. Windows XP Home and the 32-bit versions of Windows Vista and Windows 7 can not manage more than four gigabytes. Everything that goes beyond that lies idle and can not be used for applications.
But it gets even worse: not even the 4 GB can easily use any. Applications for a 32-bit Windows 2 GB maximum memory demand, the rest is reserved for the system. This is for many image and video editing programs, and many games too little. Said program are sometimes held back because they are forced sooner than necessary to outsource parts of the memory contents to disk. Data exchange with the hard disk takes longer to a multiple of the memory.

Optimize swap file 

The solution: using a trick the Allocation of RAM Windows XP in favor of your applications. Instead of 2 GB Windows programs reserved at least up to 3 GB. However, it must also be able to address the software used in the available RAM to boost performance of the 3-GB switch to benefit. For a 32-bit application that is not always the case, although more and more programs can also address memory cells outside of the 2-GB limit. A little tip: If you own the server toolkit (Windows Server 2003 Deployment Kit) is able to manipulate through the command-line tool ImageCfg.exe its programs so that they address a larger memory space.

Advantages of using 64 bits 

On the software side is the 32-bit system, so the limit is reached. More than 3 GB may not be used for its programs. Who needs more should fully migrate to 64 bit. The hardware requirements - a 64-bit main processor and a corresponding chipset on the motherboard - meet even the most older PC. Together with a 64-bit Windows, then fantastic memory values ​​are up to 16 exabytes of RAM.

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