Trust in your backup is critical; so critical that I don't fully trust any single approach. Instead, I layer backup types so that losing something important is nearly impossible. I'll describe my system works and why the key step is simply starting.
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I love how this question is phrased, because it made me examine backing up — a topic I write about frequently — in a different way. Instead of only looking at tools and techniques, it made me consider trust.
In so many ways, all the tools and techniques are secondary to your ability to trust a backup. And trust can mean several different things.
Spoiler: I don’t trust any single method completely. Instead, I trust a combination of several methods.
If F10 doesn't act like F10, maybe blame the Fn key. Keyboards handle it differently, and some flip it without telling you. Here's how to tell what yours does, how to change it, and the Windows setup trap to watch for.
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Question: I want to press Esc without having to press Fn all the time. Is there a way to change this? Please help.
I changed the title to reference F10 instead of Esc because this is a confusion I encounter regularly. It can apply to many other keys besides those two.
It’s simple enough to deal with, but you have to know how first.
Let’s look at the confusion arising from the “Fn” key.
Fake details feel safer, but they may not protect you like you'd hope. Worse, they can keep you locked out of your own account. Here's when a fake identity makes sense and when it doesn't.
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Question: Would you recommend using your real name and birthday on most services for your private non-business non-banking non-commercial related stuff, or do you use a pseudonym and fake birthday whenever the option is given? I mean sites like forums, AI tools and so on. I would rather not, but sometimes I wonder if I would lose “rights” doing so. Like hypothetically, if I win or gain something on an account with a fake identity, would I still have a legal right to it? If I create something using AI with a fake identity, would I have problems claiming my right to it? And so on.
I’ll start by saying that I’m no lawyer, so I can’t provide anything that might be considered legal advice. If you’re really in a bind over something related to this, contact an attorney.
However, I have opinions.
False identities have their place. But while they reduce some forms of risk, they introduce others.
Getting spam that isn't addressed to you isn't a mistake. Spammers use a simple email feature to hide who else they're sending it to. I'll describe how it works, why it still reaches you, and what to do about it.
“BCC” then and now. (Image: Gemini)
Question: Why do I receive junk email not addressed to my specific email address but to several subtle variations of my address? Why do these emails get delivered to my address when they are not addressed specifically to me? And how should I properly dispose of them?
Spammers do everything they can to get their garbage in front of you, and that means using and abusing every tool at their disposal.
One of those tools is also available to you and me when we send email.
People swear by tricks that can beat a keylogger. I'll show you why none of them are completely effective. Only one approach keeps your keystrokes safe.
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Question: Is there a way to bypass keyloggers? Suppose you go offline (File/Work offline) to type in the password and go back online to submit the webpage. Or suppose you use the on-screen keyboard to enter the password, or copy and paste the password? How about using a password manager to enter it all for me?
No.
If there’s a keylogger on your device, there is no way to know for sure how to prevent it from capturing your keystrokes.
Let’s review keylogging and explain why (for the most part) your suggestions don’t work.
I'll explain the browser setting that's most likely to blame, show you how to test it in seconds, and help you decide what to do next.
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Question: There are a couple of web addresses that ask me to disable my ad blocker. I have NO ad blocker installed on any of my three devices. I use both MS Edge and Firefox, and it happens on both browsers. I don’t use Google Chrome, but I installed it just to see what happens. It too tells me to disable my ad blocker. So why do I keep getting notices to disable something I do not have installed in the first place?
I’ve seen this happen. I’ve also seen it come and go.
It can be a side effect of how ads work on websites, how browsers try to protect your privacy, and how blurry the line between the two can be.
We say the internet is forever. We also say that once you delete something, it's gone. Both are true, and usually at the worst possible moment. I'll describe why deleting rarely removes every copy, why you still can't get those copies back, and two simple habits that protect you.
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Question: I was taught that it is impossible to delete, I mean totally delete, anything on the internet. The protocol of the computer or network simply buries it deeper in the systems and scrambles a random password to recall it. Find that scramble code and presto! You can recall the deleted item(s).
Um … no. There’s no magical “scramble code” to recover anything.
But that does raise an interesting puzzle. We often say “the internet is forever” while at the same time saying, “Be sure to back up, because once you delete it, it’s gone.”
While these two statements appear to be complete opposites, they’re both very true — often at exactly the wrong time. The ways of both the internet and deletion are more complex than most people realize.
Microsoft is changing how much OneDrive storage comes with Microsoft 365 Family. If you share your subscription, you could run out of room. I'll show you what's changing, walk through an example, and explain how to tell if you're affected and what to do about it.
I could NOT get AI to slice a pizza into six pieces. (Image: Google Flow)
Question: I got an email from Microsoft that’s confusing. I’ve got MS Family 365 now, so me and five family members have 1TB each (6TB total). Simple to manage and monitor. From next year, however, I’ll have 1TB or 2TB or 5TB or dunno what?!? Can’t make sense of it. Please can you explain.
This one ain’t great.
Microsoft is changing the deal they offer for Microsoft 365 Family edition, and reducing the amount of storage available if you share your subscription with others.
If you’re using a lot of OneDrive storage, you’ll want to pay attention.
A short PIN seems weaker than a long password, yet for signing in to Windows, it can be just as safe and maybe safer. The secret is where the PIN works, not how long it is. I'll explain and show you how to make yours stronger if you're uneasy.
Yes, my dog knows my PIN. (Image: Gemini)
Question: I get that the whole sign-in-with-a-PIN thing in Windows is convenient, but how can my 4-digit PIN possibly be as secure as my Microsoft account sign-in password?
It can be as secure — perhaps even more secure — because it’s used in a different way.
You can also choose to increase a PIN’s security by using some of the same techniques we use for passwords in general.
Windows 11 removed the ability to move the taskbar, and people weren't happy, including me. Five years later, it's back. I'll show you where the new setting lives, what to do if you don't see it yet, and which taskbar complaints are still waiting for a fix.
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When Windows 11 came out, one of the biggest complaints was the new taskbar. From the inside, it appeared to have been completely redesigned and reimplemented. From the outside, it added annoying features and took away popular ones… like being able to put the taskbar at the top or sides of the screen.
Five years later, that feature is back.
It’s implemented slightly differently than before, so I’ll show you how to make it happen.
There's so much information at your fingertips online, but how much of it can you believe? I'll show you how to spot trustworthy sources, why seeing something everywhere doesn't make it true, and four steps to help you sort fact from fiction.
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Question: I’m a computer science student, and I’m confused about the extent to which I should rely on the internet for information about computers. For example, if we take the term “IP address,” then a lot of information has been provided (for example, Wikipedia), which is a lot more than what is written in the recognized books. My question is, how much should I rely on the web for such technical aspects?
I originally addressed this question back in 2012.
It was an important question then, but oh my, it’s amazing to consider how much more relevant this question has become since then. Of course, it’s as relevant to information about anything else you can imagine as it is about tech.
Like the news.
I’ll look at the quality of information available on the internet and offer a few suggestions to help sort out what is good and what is questionable.
A reader's desktop folders suddenly emptied, and some files vanished completely. Here's why the desktop is a risky place to keep anything that matters, where your files really belong, and a cleaner, faster way to reach the programs and documents you use every day.
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Question: Hi, Leo. Since the days of Windows 98, I’ve been keeping a few files and folders on my desktop for quick access. I’m now running Windows 11 and up until recently, I’ve kept five folders with photos and some videos in them and three text files on my desktop. Last week, for no apparent reason, two of the folders emptied themselves of all their contents. Also, one of the folders and two of the text files up and disappeared completely. Fortunately, I was able to recover most of the data. I’m wondering what the problem was. I searched the internet for similar things and found one article that said one should never keep files or folders on one’s desktop. The desktop should be only for shortcuts. I’m wondering about your thoughts on this situation.
We’re moving into what I call religious territory here. There are definitely very strong opinions on both sides of this issue.
I agree with the article you found. The desktop should be only for shortcuts, not for files.
I’ll even go one step further: I’m not a fan of putting shortcuts on it.
Once a hacker's had access to your machine, there's no guaranteed way to know everything they touched. I'll discuss why backups, not scans, are your best defense, and what to do if you don't have one.
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Question: How can you determine which Windows files or registry settings have been compromised after your system has been hacked?
You cannot.
Once your computer has been hacked, it’s not your computer anymore.
AI sounds sure of itself, but it can be wrong. How can you tell when you don't know much about the subject? I'll show you simple ways to check an AI's work, why this problem is older than AI, and the sniff test I rely on.
Four AIs, two different answers. (Image: Gemini)
Question: If I do not understand it, how can I know if an AI-generated solution is good or bad? Malign or benign?
Fantastic question. It’s one we should all be asking ourselves: how far can you trust AI for the quality of its responses, or it’s “intent”?
Here’s the thing: it applies to more than AI. How do you know whether to trust typical search results? Or what you find on social media? Or what you find on random websites online?
The short answer is: you can’t! At least not without further effort on your part.
When it comes to security, you probably think about viruses and scams, but what about the hardware you touch every day? I'll cover four hardware threats and the habits that can keep you safe from all of them.
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When it comes to considering our privacy, our computer’s hardware – the circuits, chips, disks, memory, cables, and connectors – is something we rarely think about.
We would be wise to.
When it comes to getting at our information, hardware represents another way in. While hardware is not as easily compromised as software, since it requires physical access, hackers know we take our hardware for granted. Hardware attacks aren’t nearly as common as software-based threats, but they can happen.
A fake fax notice landed in my inbox and turned out to be a perfect teaching tool. I'll walk you through the clues that gave it away, from the sender's address to the hidden headers, and show you how AI is about to make spotting spam much harder.
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We all get spam.
That might be the most obvious statement I’ve ever made here. Unfortunately, it’s true, and seemingly truer every day.
I decided to use a piece of spam I got to show you how to identify spam.
There are scams that don't need your password or even your two-factor code to get into your account. They use real sign-in pages and a fake app with a harmless name to sneak in. I'll describe how it works and remind you of one simple habit that keeps you safe.
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There’s a relatively new scam called consent phishing or OAuth phishing that can result in account takeover and loss. While it seems you would be protected by traditional account security like passwords and two-factor authentication, this can still happen.
The good news is that it relies on your lack of attention, which is something in your control.
Dragging a mouse across text works, but it's slow and awkward. I'll show you how to double-click, triple-click, or click in the margin to select words, paragraphs, and lines. Learn several easy selection tricks plus one small catch that can break a password.
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This might fall into the category of “everyone knows that”, when, in fact, everyone does not know it. As a result, they’re missing out on some convenient and powerful techniques.
Registry cleaners can be dangerous. I'll review when they might be appropriate, which I'd use, and how to use them safely.
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Question: What is the best software to buy to fix and clean the Windows registry?
There is a wide variety of opinions on registry cleaners and PC cleaning tools. Many people believe they’re valuable, important tools to keep your system running smoothly.
I strongly disagree. Most of the time, they’re so much snake oil.
I'll review what matters when buying an external backup drive, plus a few current picks worth considering. Capacity, USB speed, SSD versus traditional hard disk, and portable versus desktop can all be confusing.
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I frequently recommend you purchase an external hard drive for your backups. Backing up regularly to an external drive is probably the single most important step in an overall backup strategy.
The inevitable question is, “What external drive should I buy?”
The problem, of course, is that the answer keeps changing. Technology evolves, and as a result, so does my recommendation.
Let me give you a few guidelines, and then a few current (as of this writing) picks.
Is it time to fix or replace your computer? The right choice depends on your budget, the machine's age, your warranty, and how much time you're willing to spend. I'll review the key factors and tell the story of my own laptop replacement.
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Every so often, it’s time to replace one trusty but tired workhorse with a newer model. But leading up to that, there might be opportunities to repair or upgrade instead.
As you can imagine, there’s no single answer to this question. It depends on everything from your budget to the age of your computer to how you use it and your future plans.
Since I have no way of giving you a clear “repair or replace” answer for your specific situation, I’ll review what you should consider as you decide. I’ll also review the process that led me to replace one of my computers some years ago.
There's a good reason why getting back into a locked account can feel impossible. I'll discuss why account recovery has to be difficult, what you can do to make it easier on yourself, and how to avoid losing an account for good.
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One of the themes here at Ask Leo! for the last 23 years has been account loss and account recovery. Or, rather, attempted recovery. Recovery can fail; you can lose an account permanently.
One of the most common complaints I hear is along the lines of “I know the account is mine; why won’t they just let me back in?”