firewall

An unprotected Windows XP machine lasted just 10 minutes online before being infected. It was an extreme and arguably unrealistic experiment, but does show just how prevalent online threats are. YouTuber Eric Parker carried out the test with a ... virtual machine running Windows XP. A virtual machine is a machine that lives inside of another machine, which makes it appear as if the virtual machine is a separate, physical computer. It's often used by people running two operating systems on the same computer. In fact, this website runs as a virtual machine. At any rate: it's no secret that running ... (view more)

Infopackets Reader Bill H. writes: " Dear Dennis, I was on Amazon.com and suddenly a warning message appeared, stating that my PC was infected with a virus and to call 1-866-666-1917 to fix the problem. There was no way to close the window. I called ... the number and spoke to a fellow at Smart PC Experts ( smartpcexperts.com ), who had a very thick Indian accent . They convinced me that my PC was infected with the Zeus Trojan and it needed to be fixed. I allowed them remote access to my machine and they installed some software. After that, they demanded $499 as payment for their services. I was ... (view more)

Infopackets Reader Steve G. writes: " Dear Dennis, I just read your article on How to Fix: Computer / Network Infected with Ransomware (10 Steps) and it was incredibly informative. I hope I never get infected with ransomware! That said, I have seen ... software products and services advertised online claiming they can prevent ransomware, but the information is often obscure. I feel like I am none the wiser. Even searching Google for ' how to prevent ransomware ' points to a very short article on Norton's website, which then links to Norton Antivirus. In your previous article, you said Norton didn ... (view more)

Infopackets Reader Robert S. writes: " Dear Dennis, I have a network of computers I use for accounting purposes. Suddenly, many of my desktop icons started appearing to have strange names, such as ... '1HjgN1BdTZE3OIqorcj2E5b6CXIE=gdFae89IWgo0RrVfPbCHt851oogccs.ssimpotashka[at]gmail.com'. When I try to open these files, Windows warns me the file may be malicious. When I look in my Documents folder, I see more files similarly named to the one I just mentioned. Some of my .PDF files won't even open. On the desktop there is a text document that says ' HOW TO DECRYPT YOUR FILES.TXT ' - when I open ... (view more)

Infopackets Reader Steve G. writes: " Dear Dennis, Thank you so much for your article on How to Disable Full Screen Popup Ads in Android ! Lately I have been inundated with full screen ads appearing on my smartphone and I have no idea where they are ... coming from. I tried your suggestion in the article, which says to wait for the full screen ad to appear, then press the app button on my phone to see where the ad is coming from. The problem is that these full screen ads don't have a title, so unfortunately I can't tell where the ad is coming from. You also suggested using a firewall but I am not ... (view more)

Have you been scammed by Informatico Experts, Inc for a fake PC support contract? You're not the only one. Infopackets Reader 'Ulrica' writes: " Dear Dennis, I have been in contact with Informatico Experts Inc ( Live PC Experts ) since last November ... and have paid them a grand total of almost $12,000 (up until recently). They claimed my PC has been hacked and have installed Firewalls and Antivirus service over the last few months. They keep calling me all the time and want to gain access to my computer. They told me my computer was being used to commit crimes and that I needed to get it fixed ... (view more)

Infopackets Reader Marjie H. writes: " Dear Dennis, I just received an email offer from Norton Security asking if I would like to enroll in the Norton Identity Protection. In order to do so, the form says I need to provide my social insurance ... number. The protection being offered is free, so long as I renew my Norton Antivirus subscription. From what I understand, this service includes protection against personal credit, credit cards, bank, social insurance number (SSI), etc. My question is - with all this information they are asking for, what is the possibility they could be hacked and all my ... (view more)

Infopackets Reader Richard A. writes: " Dear Dennis, I am so glad I found your website! I have a major problem with my Samsung S6 Edge (with Android Marshmallow). Recently I started receiving full screen pop up advertisements on my phone - these ads ... are appearing even when my phone is idle! At first they appeared every few days but now these full screen advertisements are popping up every few hours. I have NO idea where they are coming from. I searched google for 'block popup ads android' and came across an article suggesting it is possible to disable notifications from apps by adjusting the ... (view more)

Continuing on with last week's article, David L. writes: " Thanks for your help in identifying the culprit that was causing random Blue Screens of Death ( BAD_POOL_CALLER ) on both mine and my wife's system. Question: I have been using ZoneAlarm for ... many years and it has been good to me. If I decide to stick with the Windows Firewall per your recommendation - what happens if hackers find an exploit in the Windows Firewall that allows them into my system? Yes, ZoneAlarm has caused my Blue Screens of Death (BSOD) and it costs money upfront (versus the Windows Firewall which is free) - but why ... (view more)

Infopackets Reader David L. writes: " Dear Dennis, I have a VERY perplexing problem! My wife and I are trying to publish a book online a website (CreateSpace.com) - unfortunately, both her system and my system are crashing with blue screens of death ... (BSOD) error: BAD_POOL_CALLER. I am using Mozilla Firefox on my machine, and she is using Edge. I've called Microsoft and talked to their support for over 4 hours but they were unable to help - and in fact, my system is operating even worse than before! You've done work for me in the past and I need to have you connect to my system and tell me ... (view more)