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Archive for November, 2007

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Windows Vista is packed with cool eye candy, handy new features, and improved security. But there’s a catch! many new Vista users are paying for operating system that decreased performance compared to Windows XP. Performance issues are the most common complaint to users that just installed Vista or bought a new Vista machine, it shows that the concerns are valid.



The best way to make Vista run more like XP is to make Vista more like XP. Turning off the fancy Aero interface, turning off the sidebar, and otherwise disabling the features that make Vista look and feel unique will help speed up performance. But for most of us, that’s not exactly the solution we were looking for. Try to identify the source that’s choking up your resource.The first step in fixing a problem is to find out exactly what’s broken. Vista includes a number of tools that help you pinpoint the cause of performance problems.

Vista, like its business-oriented predecessors (XP Professional, Windows 2000, and NT Workstation), includes a performance monitoring tool that allows you to do detailed monitoring of various counters relating to both software and hardware components.You’ll find the tool under a new name, Reliability And Performance Monitor, on the Administrative Tools menu in Control Panel. The screen above shows the Performance Monitor, monitoring percentage Processor Time and Memory Pages/Second.


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We have seen many utilities software offering registry cleaners as one of the main features. But what do registry cleaners can really accomplish? some of them claim to reduce the size of the registry and remove orphaned entries to speed up Windows. Removing orphaned entries will reduce the size but when today’s hard drives have gigabytes of free space, saving a few megabytes wont change the world.


Some said it is to speedup your system, how fast can it be? The reason they can’t tell you how much faster your system will run is because the size of the registry has nothing to do with the speed at which your machine operates. The .ini files are flat text files, which require sequential searching. Registry files are database files, complete with indexing. If the index is up to date the system rebuilds it after each change so it probably makes no difference.

Other registry cleaners say they’ll remove invalid registry entries that can cause errors in other installed programs. Programs keep registry entries in their own keys and rarely reference keys written by other programs. They also include an uninstall routine that deletes the entries when you remove the program. However, the system will never reference the data that they leave behind.

Some claim that they correct problems with Windows crashes and error messages. But have you seen windows crashes and error messages caused by registry? Unless you purposely made mistakes in the registry. Some registry cleaners say they remove entries pointing to nonexisting files that are invalid and require deletion. If a registry entry points to a file that’s no longer present, of course you can delete them. However, if an entry points to something that doesn’t exist, then the system will never use it. Do you delete every unused file on your computer?


It was reported more than six million computers were taken over by infectious programs known as botnets. These infected computers are used at will by crime groups to perform a variety of illegal activities. They range from stealing users’ identities and confidential information like bank account numbers and passwords to sending out massive amounts of spam e-mail. They also can conduct DOS (denial of service) attacks, phishing attacks and other illegal activities.



A bot is a computer whose operation has been secretly hijacked by malware. The infected computer, which is often referred to as a “zombie,” has a Trojan program which directs the computer to connect to a remote location to download additional instructions. A group of hijacked computers forms a botnet. Much like a real computer network tethered together under the control of a systems manager, botnets are under the control of a bot herder or bot master. The zombie operator can see anything on the infected computer, including documents, passwords and social security numbers.

Hijacked computers start with uninformed or unconcerned consumers. They buy a new computer with one or more trial versions of antivirus protection. When the initial subscription lapses, the consumer often fails to renew. Most people choose not to continue the antivirus protection because they don’t want to give credit card information over the Internet or don’t think it is necessary some fail to renew because they either do not care or think that the computer will remain protected against virus infections without updating signatures.

The result is the computer quickly becomes infected with viruses distributed by e-mail and from visiting an infected Web site. It is practically impossible to avoid virus infections unless the computer user never receives e-mail and never surfs the Web.

This new reliance by malware writers on using infected Web sites is happening without the knowledge or intervention of the Web site owners. There are 8,000 Web sites a day hosting new viruses. Other types of Internet-based infections require the Web visitor to actually click on an image.Secure Computing recently discovered a new malware tactic that will soon be adding to botnet troubles. A so-called zlob is complex, tricky and deceptive. The zlob poses as a fake video file posted on YouTube. It contains a second bit of code that causes the movie to download onto the PC. It then installs two Trojans that bombard visitors with ads. Currently, the only payload is the ad blitz more dangerous malware will attached to this exploit soon. The zlob can very easily be an e-mail vehicle capable of hundreds of variants of zlobs.

This newly-discovered form of Web-based malware is currently masquerading as a YouTube video object and does not require users to download an .EXE file in order to run. No one expects to find malware hidden in YouTube files.

Up-to-date anti virus protection maintained on individual computers prevents much of the malware from attacking consumer and enterprise computers. But more protection is needed for the zero-day infections. These attacks come from new viruses that enter a computer before new signature detection is distributed by antivirus vendors.


Hitman The Movie

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Hitman, based on the popular series from Eidos Interactive, is the latest attempt to bring the PlayStation to the Cineplex. Begun in 2000, and with four gaming titles under its belt, players act as a hired assassin, working their way through various levels of intrigue and crazy, chaotic firefights. The purpose, clearly, is to slaughter everyone who’s in your way.


Agent 47 (Olyphant) has been educated to become a professional assassin for hire. His most powerful weapons are his nerve and a resolute pride in his work. 47 is both the last two digits of the barcode tattooed on the nape of his neck, and his only name. The hunter becomes the hunted when 47 gets caught up in a political takeover. Both Interpol and the Russian military chase the HITMAN across Eastern Europe as he tries to find out who set him up and why they’re trying to take him out of the game. But the greatest threat to 47’s survival may be the stirrings of his conscience and the unfamiliar emotions aroused in him by a beautiful, damaged girl.

For three years, a top Interpol agent (Dougray Scott) has been chasing an elusive, unknown assassin. When a Russian politician is murdered, the cop clearly suspects that Number 47 (Timothy Olyphant) has struck again. The paid killer is informed that a prostitute named Nika (Olga Kurylenko) witnessed the crime. He is ordered to take her out. Of course, it’s all a setup. Belicoff (Ulrich Thomsen), the supposedly dead candidate, shows up for a speech, and the Russian Intelligence community is out rattling 47’s cage.

Hitman already hit the cinema on last week go grab your ticket and catch the movie.





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