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The Google Chrome browser loads the processor (CPU) up to 99-100%, everything hangs and slows down ...

User question

Hello!

Recently, my Chrome browser began to load the processor almost to 100% (if you do not open many tabs, then it is stable 50-70%). This has never happened before, and my CPU is not that weak - four cores, i5!

What can be done? I really would not like to change the browser, but the campaign will have to (everything works fine in Opera, the browser does not "eat" more than 10%!).

Hello!

Judging by the description, the following course of events is most likely:

  • you have picked up a viral (adware) software that loads your CPU (for example, mining is in trend now - that is, using the resources of your PC, you get cryptocurrency ...);
  • there is a conflicting plugin in the browser (for example, not suitable for your browser version);
  • In Chrome, you have a website open that requires significant PC resources (for example, a browser game, an editor, etc.).

Below is a sequence of steps that should help solve a similar problem ... 👇

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What to do if Chrome starts to load the CPU

STEP 1

As soon as you notice the brakes and freezes without closing the browser (and other software), I recommend opening the task manager (Ctrl + Shift + Esc) and make sure that the computer starts to slow down precisely because of the high load from Chrome (as it looks like on my the screenshot below).

Example: Chrome loads the CPU up to 99-100%

STEP 2

Next go into the chrome browser window and press combination Shift + Esc - should open Chrome Task Manager (by the way, not everyone knows that it exists ...). Sort processes by CPU load and see if any extension is to blame for the download (for example, common culprits: AdBlock, Free Video Downloader, Reader Pro, etc.).

The browser extension was loading the CPU

STEP 3

Then go to the page: chrome: // extensions / (extensions) and remove the ones that were using the processor.

By the way, I also recommend paying attention to VPN related extensions, antivirus addons, downloaders and all unfamiliar extensions.

Removing extensions / Chrome

STEP 4

If removing the extensions did not work, you should try to roll back the Chrome settings to the factory presets. To do this, you need to open the browser settings, tab:

Settings -> Advanced -> Reset Settings and Remove Malware -> Restore Default Settings

Settings

By the way, during the restore operation: bookmarks, passwords and browsing history will be saved (but everything else: extensions, cookies, home page settings, etc., will be deleted).

Restoring Chrome Settings to Default

After recovery, I also recommend using Chrome to check your PC for malware (fortunately, this is done from the same tab, see the screenshot above - arrow-2).

STEP 5

Not all viruses are found and neutralized by a classic antivirus (many ad scripts, inserts, Trojans, etc. are simply invisible to most defenders).

Often, you have to resort to special utilities - and in this regard, I would highly recommend checking your PC using AdwCleaner and AVZ. How to do this is described in detail in one of my previous articles, the link below.

To help! How to remove viruses from your computer if the antivirus does not see them (including from the browser) - //ocomp.info/esli-antivirus-ne-vidit-virusov.html

AdwCleaner: main window (button to start scanning "Scan Now")

PS

If your PC continues to slow down (for no apparent reason), I also recommend that you read one more note: //ocomp.info/protsessor-zagruzhen-na-100-i-tormozit.html (in some cases, system interrupts are to blame for this ...).

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That's it for now ...

All the best!

👋

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