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10 Major Signs of a Computer Virus or Malware

Have you been noticing that your computer isn’t working like it used to? Are there weird things going on with it that you can’t really explain?

These could be signs of a computer virus. If your computer is infected with a virus or malware, your personal information is at risk. Your identity could be stolen, your personal files could be deleted, and you can put your friends and family at risk as well.

But how can you know whether you have a virus or not? We’ve compiled a list of the most common signs of malware and computer viruses that you’ll see. You can compare this list to what’s happening on your computer to determine whether you have a virus or not.

What Is a Computer Virus?

A computer virus or malware is malicious software or programs that can “infect" your computer without you knowing or giving permission. They attach to certain programs or files in your computer and they can usually “self-replicate" and attach to other programs and files in your computer once it’s in.

They can perform a variety of malicious actions, usually ones that include stealing your information, deleting your personal data, or infecting other computers through yours.

Let’s get into the signs that you have a virus on your computer.

1. Computer Is Slow to Turn On

Taking a long time to turn on is one of the most common symptoms of a computer virus. Viruses and malware can make booting up your computer take significantly longer than usual, and it’s something you’ll probably notice right away.

However, it could also be a sign of a number of other issues, including hardware problems, insufficient hard drive space, or even just a sign of an old, failing computer.

2. Computer Is Slow in General

Besides the startup, a virus can make your entire computer run slowly. This could include slow running programs, slow Internet browsers, and general lag time that wasn’t happening before.

As with a slow startup, this could be a symptom of a number of other things. Check out other potential issues (like storage space, RAM memory, etc) before jumping to the conclusion that you have a virus.

3. Constant Crashes

If you’re doing something on the computer and the program, or the entire computer, keeps suddenly crashing for no reason, this could be the result of malware.

Many PCs will experience computer crashes followed by what’s known as the blue screen of death. If it isn’t a virus causing these crashes, then it’s a serious technical problem.

However, it is a very common symptom of viruses and malware, so that could very well be the culprit.

4. More Pop-Ups Than Usual

We all get pop-up ads once in a while. But if you notice a large uptick in the amount you’re seeing or the frequency at which you see them, a virus could be at fault.

These could be in the form of pop-up ads or pop-up messages (usually saying something suspicious like “you’re out of hardware space" or “you need to buy [insert product here] to clean your computer").

The issue with these is they can seem innocuous, but they can infect your computer further if you click on them. Be wary of any pop-ups, and take note if you notice them much more often.

5. Changed Homepage

Some viruses can change your homepage from the one you chose to a different one. It can also add to your toolbar, at icons to your desktop, and more.

If you notice significant changes like this that you didn’t do yourself, and you know no one else using your computer did it, it’s probably a virus.

6. You’re Getting Unusual Error Messages

When trying to do normal computer activities, like naming/moving files, downloading software, etc, you might notice strange error messages preventing you from doing so or warning you of some error.

This could be a harmless bug in your computer, or it could be because of malware activity. Once you rule out bugs by making sure all your software is updated to the newest versions, you can conclude you might have a virus.

7. Unexplained Network Activity

If you or other people aren’t using the Internet, but you notice that your network’s activity is quite high, this could be the work of a virus. A virus can use your network to send and receive information, which would make it look like you’re using the network much more often than you are.

8. Strange Messages and E-mails

Some malware programs will hijack your e-mail or your social media to send messages to your contact list. You might remember Facebook viruses that would take over your profile and post on people’s walls or message people with suspicious links.

If your friend or family tell you they got a weird message from you, or you notice that there are sent e-mails from your account that you didn’t send, this is a big red flag.

9. Sudden Lack of Storage Space

Viruses can take up a lot of space on your computer. Between software, added files/programs, etc, viruses will fill up any available storage.

If you had plenty of space and suddenly your computer is full, a virus could be the reason. This can cause the slowdowns that we mentioned earlier as well.

10. Disabled Security System

You might be wondering how you got a virus if you have an anti-virus program installed. Some malware programs are so crafty that they can disable your security system.

Take notice if your security system is down or no longer “on" when you never turned it off, as this is a sign of a computer virus.



Signs of a Computer Virus: Bottom Line

While these aren’t the only signs of a computer virus, they are some of the most common that occur when your computer is infected. The good news is, most computers can be saved from a malware infection.

If you need help repairing your computer or need help diagnosing the issue, don’t hesitate to contact us.

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Community Computer Services
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OriMaster 261
OriMaster 261
18:27 08 Jan 20
Very nice and helpful people, love the store atmosphere, and fair prices.... Overall a very pleasant experience!read more
Tracy cook
Tracy cook
00:29 03 Jan 20
So far, it hasn't been that great. I took a laptop in almost 2 weeks ago and... haven't heard back from them. When I went in to drop it off, it was like they were getting ready to go out of business. The young guy who took my laptop said he would call me and hasn't yet. I know that we have had 2 weeks of holidays, but other businesses are open again. He made sure he got my $45 first though. I'm surprised by all of this, because I've gotten great service when the father was there. In this guy's response, he says that he can't get a hold of me. What he fails to mention is that he wrote my number down wrong and didn't check his caller ID from when I called last Monday or when I left a message the week before. I left a message last week and he never called me back then either. When he did finally found my number, he chewed me out for everything. He never confirmed anything about the computer, yet acts like he did. So my number is not out of service, but I will not be a customer of theirs more
23:48 22 Oct 19
I went with a problem on my tablet and that is not something they are very... comfortable with but for computers that are used you should check it outread more
Carol Lyle
Carol Lyle
16:43 13 May 19
Am new to the area having problems with tower computer at the time. Was... advised to seek a locally owned business doing computer repair. I did and chose Community Computer Services in Alexandria, Ky. 41001. Did diagnostics as I was thinking problem with hard drive. Wasn't which was great price wise. Was able to clear out all viruses and malware. Saved my pictures and other personal folders and reloaded to computer. Also installed free virus and malware programs. Runs fast!! Also they gave me a week to use to see if incurred any problems. I did not!!! While taking care of tower computer explained how slow my laptop was. So brought it in. Was going to do diagnostics see what problem was. He told me it would be like a new computer. Advised me to use chrome. He saved my files and reloaded them so where I didn't lose anything. Also downloaded the free virus protection and malware. The laptop is brand new to me. It is fantastic!!!! So fast it has to wait on me. I would recommend anyone having computer problems to see Community Computer Services immediately. Very reasonable, courteous and explained things to me where I could understand. Excellent more
Sara housypart
Sara housypart
18:44 03 Apr 19
We took our mac into their store. It was running terrible. They were able to... make it run like it was new. I was surprised on how affordable it was. We will be going there from now on for all of our computer more
Steven Noble
Steven Noble
21:07 01 Apr 19
They did a great job fixing our laptops. We will be using them from now on.
Ryan Moore
Ryan Moore
23:45 31 Mar 19
We have used Community Computer Services for many years now. They do a great... job! The pricing is great as well. If you need a laptop or desktop repaired in Northern Kentucky, then these are your more
Piles Chevrolet
Piles Chevrolet
15:36 20 Feb 19
This is a great place to have your computer or laptop repaired. They are fast,... honest and stand behind their work. I wouldn't go any place else. I recommend everyone to use this company. They give you pricing right up front. D. Hensleyread more
Joe Geiman
Joe Geiman
03:30 25 Aug 18
Always had a great experience dealing with these guys. My computer is running... faster than it ever has after being repaired there. Would recommend them to more
Penelope Kolb
Penelope Kolb
15:03 22 Aug 18
Community Computer Services provides a great services at affordable prices.... Over the past 5 years I have had to replace lap top hardware and treat viruses. Every time the knowledgeable team at Community Computer Services has provided fast diagnostics with a menu of solutions for me to choose from. I highly recommend keeping your technology out of a landfill and going strong with the support of Community Computer more
B Bailey
B Bailey
01:20 22 Aug 18
I have received great service from these guys on more than one occasion. The... prices are excellent as well. They have taken very good care of me over the years. Thanks!read more
Daryl Mullins
Daryl Mullins
04:08 28 Jul 18
My computer quit working just as my wife was in the middle of using it for... Vacation Bible School last night. She was panicking. I began to look online and saw Community Computers near where I live. I checked the reviews and it had a great rating. I called this morning and explained my situation. I was told to bring my laptop in and he would see what he could do. When I took it in I also shared with him another issue I had been experiencing, my wireless connection was not working . He said he would really try to find out the issue so we would have it for Bible School. About 2 1/2 hours later he called to give the good news that the problem was just a bad cord. When picking it up he also told me he gave it a good checking over and tried to repair my non wireless connection for over an hour. He then told me instead of trying to go into the laptop to change a chip which could be costly, he sent me to Staples for a solution of a $30.00 wireless adapter. I was very impressed with my experience Community Computers. I would encourage anyone who has computer issues to check them out. You will not be disappointed. Also, the price I paid was very more
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