computer

Microsoft has released its Windows 11 eligibility checker tool. It now gives more detail on why a computer might not be ready to run the new system. The app in question is officially titled "PC Health Check" though that's a little misleading as it ... doesn't relate to whether the computer is currently working OK or has any serious problems. Instead it checks whether the computer is eligible to run Windows 11. It's available using this link: https://www.microsoft.com/en-gb/windows/windows-11#pchealthcheck The original version a few months ago didn't give much detail other than whether the PC " ... (view more)

Firefox has added a new feature letting users remove all traces of visiting a website, including cookies. It builds on the browser's existing technology that makes it harder for a single site to track users across the web. Both features aim to ... tackle the problem that tracking and other records of online activity come from a variety of sources. Visiting a particular site creates several pieces of data on a computer, while cookies are made more complicated because the site that places them on a computer isn't always the same as the site that access and uses the cookie. Total Cookie Protection ... (view more)

A surprise requirement for Windows 11 has left many users fearing their computer may not be compatible with the new system. The need for a Trusted Platform Module (TPM) has led to a price spike for the component, though there's no real need to panic ... or pay over the odds right now. The requirement came to light when Microsoft published a downloadable PC Health Check tool that told users whether their PC met all the hardware requirements for running Windows 11, which is due for release later this year. That led to a lot of confusion with users seeing the answer was "No," but the tool not saying ... (view more)

A single character from ancient English could crash a Windows 10 PC, thanks to an odd security glitch. It's been patched in the most recent Windows updates, making it an important fix for those who download updates manually. The bug appears to work ... in most major browsers and involves the Æ symbol. If that isn't clear on your device, it's the symbol that looks like a capital A in italics squashed into a capital E. The symbol, sometimes called "ash" in English, has been used to designate specific sounds in several language over the past few thousand years. In old English it was a sound ...<a href="/news/10902/single-character-could-crash-windows-pc" class="more-link">view more

Microsoft is to warn Windows 10 users when an app will start up automatically when they start their computer. The move is designed to prevent the start up process being slowed down against the user's wishes. Users already have the ability to ... manually decide whether an app starts up automatically when they switch on their computer. The change is to the way apps are set when they are originally installed. Which apps should start up automatically is a balancing act. With some it's important to start up automatically for functionality purposes, such as having anti-malware software running right ... (view more)

Windows 8.1 users should make sure to install an emergency patch just released by Microsoft. The company rates the risk as critical based more on the potential consequences than the risk of exploitation. The bug is patched with a security update ... that has the reference KB4578013. It affects all versions of Windows 8.1 along with Windows Server 2012. The bug doesn't affect Windows 10. In theory it could affect Windows 7 and earlier, but Microsoft no longer patches those systems as they are no longer supported. (Source: microsoft.com ) The fix comes in an "out of band security update", commonly ... (view more)

Microsoft is testing a new Windows 10 security measure that could neutralize a malware technique. It's called Kernel Data Protection and will protect part of a computer's memory from tampering. The idea is to protect two key software parts of a ... computer: the operating system kernel and drivers. The kernel is the most central part of a system and acts a little like a central command point, deciding what the computer does at any precise moment. Meanwhile, drivers control the way the operating system communicates and interacts with hardware devices. Within the computer's memory, the kernel is ... (view more)

A researcher has found a major bug with Thunderbolt port technology that could undermine major security measures on multiple computer systems. There's a big mitigating factor though: an attacker would need extended physical access to the computer in ... order to carry out the exploit. Thunderbolt is a technology that is similar in concept to USB, but adds fiber optic to the usual copper wires. Compared to USB, Thunderbolt has high speed and capacity. Common uses include super-fast device charging (including laptops), 4K video, and extremely quick data transfers. Originally Thunderbolt was only ... (view more)

A security company says it found a simple way to turn antivirus software into a weapon for attackers. Most major manufacturers have now fixed the problem, but it's a reminder to keep such software updated. The discovery by Rack911 Labs effectively ... meant that a hacker could force the antivirus software to delete files on a computer. That would mean the hacker would need to have gained access to a computer first - whether internally on a network, or remotely using malware. The exploit is based on one of the most fundamental actions of any antivirus software: they scan files, check if they are a ... (view more)

A bug in the way Windows handles fonts could leave computers open to a "drive-by attack" - as long as the machine is connected to the Internet. It's among the vulnerabilities fixed in the latest Windows security update. All versions of Windows are ... affected . The bug involves the way Windows deals with embedded fonts. An embedded font means that the document includes the code for the font itself. It's generally used where a document or web page designer wants users to see a specific font that's not widely installed on computers. The bug means an embedded font could be coded in a way ... (view more)