Computer Tips Archives - Page 6 of 230

How to make sure a downloaded file is safe before opening it (updated)

Posted on September 5, 2025

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Have you ever downloaded a file from the Internet and worried that it might be infected with malware?

That’s a real concern these days with all the malware that’s floating around the web.

It’s getting harder by the day to know exactly which sites to trust since malicious files are even making their way onto legitimate download sites.

Luckily, it’s pretty easy to determine whether any file on your computer is malware-free or not by running a couple of simple scans. [Read more…]

How SPF Flattening protects your domain reputation and prevents spoofing cyber threats

Posted on September 5, 2025

The Sender Policy Framework (SPF) is essential for email verification, as it determines which mail servers have permission to send emails for your domain.

However, when companies utilize various third-party services such as customer relationship management systems, marketing applications, or cloud solutions, their SPF records can grow excessively long and surpass DNS lookup limitations. This can result in authentication failures that not only hinder email delivery but also expose your domain to potential misuse by cybercriminals aiming to execute spoofing attacks. [Read more…]

Maintain a secure network with these tech-based protection tips

Posted on September 4, 2025

A secure network is critical. From personal devices to business infrastructures, the risks of cyberattacks, data breaches, and unauthorized access are rising at alarming rates.

Hackers are becoming more sophisticated, targeting individuals and organizations through methods like phishing, malware, ransomware, and network intrusions.

The consequences of a weak or poorly protected network can be devastating, leading to financial loss, compromised data, and damaged reputations. Advancements in technology have made it possible to establish stronger defenses and adopt strategies that minimize risks. [Read more…]

This simple tip can help protect your computer from malware

Posted on September 1, 2025

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Note: The links in this post are affiliate links.

Unfortunately, in the Internet age, viruses and other forms of malware tend to spread like wildfires, and it’s getting harder by the day to keep your devices from getting infected by them.

That’s why it’s important to install a high quality antivirus program on your Windows computer, keep it updated at all times and perform a couple of on-demand malware scans on a regular basis.

Macs aren’t as likely to get infected with malware as Windows machines, but it’s happening more all the time. And when it does the results can be catastrophic, which is why I recommend that Mac users install Malwarebytes on their machines.

With all of the above being said, a little due diligence can go a long way towards keeping your machines safe as well. [Read more…]

Q&A: Will using a laptop with the lid closed damage it?

Posted on August 30, 2025

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Question from Jane: I bought a monitor and connected it to my laptop and then changed the settings so I could close the lid while the laptop is running. It’s been working fine now for about four months.

The thing is one of my friends saw this setup and he told me running the laptop with the lid closed will eventually kill it due to excessive heat build-up.

Is that true? As always, thanks so much for your advice. [Read more…]

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