PCTips Box

Whilst the roll out of Windows XP Service Pack 3 has gone reasonably smoothly some problems have been reported. One of the first to emerge is a persistent reboot that affects some HP machines using AMD processors. Both HP and Microsoft are aware of the problems but neither has announced a patch yet, however, several fixes have been developed including this one on Jespers’s Blog. A second, potentially more serious problem concerns a conflict with several Norton products, which can results in a PC’s Registry being filled with corrupt entries. (more…)

Slow computer getting you down? Wish you could speed up your system so that games won’t crawl by like a slide show permanently set to slow? Well look no further! I shall share five easy steps that you can take to improve your system’s speed! Most of them are free of charge, and all of them should have some effect on your system. So without further ado, we begin with:

1. Remove spyware and adware from your system. Have you noticed recently that ads seem to pop up whenever you go to a Web page? Or that Internet speeds are about that of diseased livestock? Your system’s probably chock full of spyware. What to do? Well, thankfully there are several things you can do. First, download either Spybot-S&D or Lavasoft’s Ad-Aware, and run it. This should remove most if not all of the spyware and adware on your system. Neither of these are particularly robust, however, so we move on to: (more…)

Concomitantly with the release of the security bulletins as a part of its monthly patch cycle, Microsoft also made available an update affecting the core of 64-bit Vista. More specifically, the feature is designed to stop third party code from altering the operating system’s kernel integrity. “An update is available for Kernel Patch Protection included with x64-based Windows operating systems. Kernel Patch Protection protects code and critical structures in the Windows kernel from modification by unknown code or data. This update adds additional checks to this protection for increased reliability, performance, and resiliency of Windows,” Microsoft revealed.

The Kernel Patch Protection technology is nothing new to the 64-bit editions of Windows Vista. Microsoft’s latest operating system is just the latest in a series of Windows platforms to feature PatchGuard, (more…)

That’s the latest update from security researchers who initially laid the blame on Microsoft’s Internet Explorer for the latest zero-day exploit that also can afflict those using the Firefox Web browser. Users could face a “highly critical” risk if they have both IE and Firefox version 2.0, or later, loaded on their computer.

The trouble begins when browsing a malicious site while using IE and it registers a “firefoxurl://” URI (uniform resource identifier) handler, which allows the browser to interact with specific resources on the Web. (more…)

Although it seem unlikely virus writers and hackers are going to give up looking for and attempting to exploit loopholes in Microsoft products, it seems some of them may be turning their attention to other popular applications. According to security experts at Symantec the defences on one of its PC’s, used as bait to attract and trap virus writers, was breached through known vulnerabilities in Apple QuickTime and WinZip. (more…)