Below are some of the cons of vista X64 i.ve heard it runs very slow also, i know may system is be no means old are low end. but i'm wondering will affect gaming to use Vista x64?
Digital Rights Management
Another common criticism concerns the integration of new forms of Digital Rights Management into the operating system, specifically the introduction of the Protected Video Path. This architecture is designed such that "premium content" from HD DVD or Blu-ray discs may mandate that the connections between PC components be encrypted. Devices such as graphic cards must be approved by Microsoft. Depending on what the content demands, the devices may not pass premium content over non-encrypted outputs, or they must artificially degrade the quality of the signal on such outputs or not display it all. There is also a revocation mechanism that allows Microsoft to disable drivers of compromised devices in end-user PCs over the Internet.[51] Peter Gutmann, security researcher and author of the open source cryptlib library, claims that these mechanisms violate fundamental rights of the user (such as fair use), unnecessarily increase the cost of hardware, and make systems less reliable and vulnerable to denial-of-service attacks.[52] Proponents have claimed that Microsoft had no choice but to follow the demands of the movie studios, and that the technology will not actually be enabled until after 2010;[53][54] Microsoft also noted that content protection mechanisms have existed in Windows as far back as Windows Me, and that the new protections will not apply to any existing content (only future contents).[55]
User Account Control
Concerns have been raised about the new User Account Control security technology. While Yankee Group analyst Andrew Jaquith believes that critical security vulnerabilities may be "reduced by as much as 80%," he also noted that "while the new security system shows promise, it is far too chatty and annoying."[56] However, this statement was made over half a year before Vista was actually released (even before Beta 2 was released).
Kernel Patch Protection
The Kernel Patch Protection feature (also known as "Patchguard") on 64-bit versions of Vista that locks down the OS kernel has been criticized by computer security company McAfee who claim that since PatchGuard also prevents third-party security companies from getting inside the OS, they cannot activate crucial security measures in their software to protect the OS from intruders.[57] Microsoft's argument is that this will keep miscreants out of the OS and prevent the incidence of attacks, and it is something for which customers have been asking. Security vendor Kaspersky Lab claims that it is not more difficult in Vista for anti-virus software to work, and that it would not make sense for Microsoft to stop working with security companies because it would make their system more vulnerable to attacks.[58] Sophos adds that Microsoft does not need to open PatchGuard for third party developers, instead, they should use the programming interfaces Microsoft supplies them.[59] Similarly, Eset, the developer of NOD32 antivirus, claims that there is no requirement to access the Windows Vista Kernel and that their software is fully compatible with Microsoft's PatchGuard and the Windows Vista Security Center. It also claimed that similar obstacles were overcome in the 64-bit edition of Windows XP Professional.
Hardware Requirements
Some controversy and concerns have arisen over how the increase in hardware specifications required to take advantage of many of Vista's new features may have an impact on both personal and business users.[64][65] While most PCs purchased after 2002 will be able to meet Vista?s minimum ?Windows Vista Capable? requirements, many laptops and low-end to midrange desktops with integrated graphics will not be able to meet ?Windows Vista Premium Ready? requirements and will therefore not be able to run advanced features such as the Aero Glass interface.[66][67]
[edit] See also
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