My Win10 laptop (Dell Inspiron 3585) was hit with a couple of viruses back in Sept 2020. I was able to quarantine them, but could only remove one. Funny thing is, the history of those virus attacks later disappeared from my protection history. How, I don't know. Another weird thing that happened is when the viruses hit my system a voice speaking Spanish could be heard in the background. After a couple of minutes, the voice stopped. Then, later in the day, the voice came back for several minutes.
I have my wifi router placed directly behind my laptop (within inches), so any chance the interference is coming from a microwave or refrigerator is unlikely. Normal speed for my wifi connection is 50 mbps.
I've attached two screen recordings of my running a speed test showing what is going on. You can definitely hear signal interference in the background on both recordings There is a staticky noise and it happens each time I run the test.
Sometimes, when I run the speed test, the first run occurs without issues, but after that, the signal interference happens and the speed slows dramatically.
I live out in the country (Arab, Alabama). There a few homes and trailers nearby. My hunch is someone is deliberately interfering with my wifi signal. I tried using an ethernet connection and still got the interference (!). Don't know how that's possible. That's why I think there is some sort of virus embedded in my computer that Windows Defender can't find and remove.
I'd swear someone is remotely watching me play because the lag/latency issues with the game only start at the point where I'm entering a battle and starting to fire at other tanks.
Any help someone could provide with resolving this issue would be greatly appreciated.