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Modem Crashes Due to Unknown Causes

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So here is my present issue at hand, and it's quite the pickle.


As of yesterday, June 22, I began to experience problems concerning my modem and my overall internet connection. The modem is relatively new, with it being I believe less than a year old. It was a modem provided to us by our internet provider, Comcast. Point being is that the modem suddenly began to experience lag time in its internet speeds, followed then by a crash. The signal came on and off again, cycling like this without stopping for an indefinite amount of time. I manually restarted my computer, along with the modem also. It was fine for thirty minutes, but the issue then came again, this time without any noticeable lag. It just shut off immediately, followed by the same on and off cycles. 


Worried, I called Comcast. Thrice I did this, and they always did the same thing: they sent a restart signal to the modem, which only allowed it to maintain stability for two or three hours at best. The last crash was this morning, and I've just now restored the connection. However, upon researching this issue, I found a distressing revelation. I noticed it was only my computer causing the modem crash. I'm currently on a secondary computer, and the internet connection is working just fine. The minute I get on my primary computer, however, the modem crashes immediately. My research said that this could be the modem either unable to handle multiple computers requesting access to the web, or that it could be a botnet or malware over-saturating the modem and causing it to crash. I've just now began a scan with both Malwarebytes and a Norton full security scan. So far, nothing suspicious has emerged. 


With this in mind, I'll be performing the following tests in the meantime: I will disconnect all secondary computers and only use my primary computer. If the modem does not shut off, I can only assume the modem is faulty and cannot handle large loads. If it does crash, I will then assume my primary computer is the culprit. I will also post the results of my Norton and Malwarebytes scan here once they are complete.


I will greatly appreciate any help on this matter. Many thanks,


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Hello and welcome,

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Post the logs you`ve quoted also run the following and post its logs...


Download Farbar Recovery Scan Tool and save it to your desktop.

Note: You need to run the version compatible with your system (32 bit or 64 bit). If you are not sure which version applies to your system download both of them and try to run them. Only one of them will run on your system, that will be the right version.

  • Double-click to run it. When the tool opens click Yes to disclaimer.
    (Windows 8 users will be prompted about Windows SmartScreen protection - click More information and Run.)
  • Press Scan button to run the tool....
  • It will make a log (FRST.txt) in the same directory the tool is run. Please copy and paste it to your reply.
  • The first time the tool is run, it makes also another log (Addition.txt). Please attach it to your reply.


Thank you,



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