Constant pop-ups that overlap content and automatic transitions to dubious sites are one of the most annoying problems when surfing the Internet from a mobile device. Most often, the culprit is not itself Google Chrome, but changes in settings that allow sites to show notifications, or malware accidentally installed along with a useful utility. However, in most cases, the problem can be solved using the built-in tools of the system, without resorting to complex procedures.
In this instruction, we will analyze in detail why pop-up windows appear on you, and how to permanently block them. We'll look at both standard browser protection tools and more in-depth methods for clearing application permissions that are often overlooked by ordinary users. Sometimes it’s enough just to disable one checkbox to return to comfortable use of your smartphone.
It is important to understand that advertising can be legal (part of resource monetization) or malicious (an attempt at phishing). Our methods are aimed at blocking aggressive formats that disrupt the operation of the device. If you are faced with banners popping up even on your desktop, the problem may lie deeper than just your browser settings. In this case, a complete revision of installed apps will be required.
Built-in ad blocking settings in Chrome
The developers Google have implemented powerful filtering tools in their browser, which by default may be inactive or configured incorrectly. The first step should always be to check your basic security settings. This is the simplest and safest method that does not require installing third-party software.
Go to the browser menu by clicking on the three dots in the upper right corner and select Settings. Next, scroll the list down to the Site settingssection. This is where the key switches are hidden that control what the web page can do on your device. Find the item Pop-ups and redirects.
Make sure the slider is in the "Block" position. If it is turned off, the browser will seamlessly skip any scripts that open new tabs. It is also worth checking the section Advertising in the same site settings menu. Intrusive ad blocking helps hide ads that obscure content or automatically play audio.
If settings reset themselves after a reboot, check to see if you have cleaner apps installed that may aggressively manage system permissions.
⚠️ Warning: Some sites may require permission to pop-up windows for correct operation (for example, banks or payment services). Add them to the exclusion list manually if blocking interferes with functionality.
After changing the settings, be sure to restart the browser for the changes to take effect. Often, users change settings but do not restart the application, which is why old sessions continue to work according to the same rules. This is an elementary, but often forgotten detail.
Managing site notifications and permissions
Often, what users mistake for pop-up advertisements are actually legal ones push notificationsto which they accidentally agreed. Sites may ask for permission to show notifications, and after clicking the "Allow" button, you start receiving spam directly in the notification shade or in the form of banners on top of other applications.
To revoke these rights, return to the menu Site settings and select Notifications. You will see a list of all resources that are allowed to send messages. Study it carefully. Any unfamiliar domain with a suspicious name should be immediately removed from the list of allowed or put into blocking mode.
For each suspicious site, click on its name and select the option Delete or Block. This action will instantly stop the flow of notifications from this source. Don’t be afraid to delete sites en masse: if the resource is really important, it will ask for permission again on your next visit, and you can make an informed decision.
Pay special attention to sites with names containing the words "news", "alert", "update" or a set of random characters. These are the domains that are most often used to distribute spam. Regularly cleaning this list should become a habit if you often visit entertainment portals or file hosting services.
Cleaning cache and browser data
If blocking settings did not help, it is possible that malicious scripts or cookies are stored in the browser’s memory, which force you to open ads. Deep data clearing Chrome allows you to return the browser to its factory state by deleting all temporary files and saved sessions.
Go to the main settings of your phone, find the section Applications and select from the list Chrome. Go to subsection Storage. Here you will see two buttons: Clear cache and Clear data. Start by clearing the cache - it is safe and will only delete temporary files.
If the problem persists, use the function Clear data. This action will delete your browsing history, saved passwords (if they are not synced with your Google account), and site settings. The browser will become a "blank slate". Before this step, make sure that your passwords are saved in your Google account.
☑️ Completely clear the browser
| Type of cleaning | What is being deleted | Impact on passwords | Recommended frequency |
|---|---|---|---|
| Clear cache | Temporary files, website images | Does not affect | Once a month |
| Clear data | Cookies, history, settings, sessions | Resets login on sites | If there are problems with advertising |
| Browsing history | List of visited pages | Does not affect | Optional |
| Cookies | Authorization and tracking data | Requires re-login | If you suspect surveillance |
After cleaning, restart your smartphone. This is necessary for the system to completely rebuild the browser files and apply the new security configurations. Often, a reboot is the final touch that eliminates residual processes.
Searching for and removing malicious applications
Sometimes advertising in Chrome is only a symptom of a more serious problem - the presence of a virus in the system or an adware module built into another application. Such apps can run in the background and generate windows on top of all other applications, even when the browser is closed.
Carefully examine the list of installed apps. Look for applications without an icon (empty square), without a name, or with a suspiciously simple name, such as "Flash Player", "Cleaner", "Update Service", which you did not knowingly install. Malware is often disguised as system utilities.
Try removing recently installed apps. If the button Delete is grayed out or the app immediately reappears after uninstallation, it may have gained device administrator rights. Go to Settings → Security → Device administrators and uncheck the suspicious application, then try to remove it again.
⚠️ Attention: If the application is not is removed through the normal interface, try starting the phone in Safe Mode. To do this, you usually need to hold down the power button and hold the “Shutdown” item on the screen for a long time until you are prompted to boot into safe mode.
In safe mode, only system applications are loaded. If the advertising disappears in this mode, then the third-party application is to blame. Uninstall apps one at a time, starting with the newest ones, until the problem is resolved. This is an elimination method that requires patience, but gives 100% results.
Using DNS to block ads at the system level
A more advanced way to combat pop-ups is to change the DNS (Domain Name System) settings. This method blocks requests to known ad servers before they reach your browser. This works not only in Chrome, but also in all applications on the phone.
Modern versions of Android (starting from version 9) have a built-in “Private DNS” function. Go to Settings → Connections → Other connection settings → Private DNS. Select the "DNS Provider Hostname" mode and enter the address of a reliable blocker.
dns.adguard.comThis address belongs to the service AdGuard DNS, which filters traffic for free, cutting out ads and trackers. After entering the address, save the settings. The effect should be noticeable almost instantly: banners on sites will begin to disappear, and empty spaces will remain white.
What to do if the Internet is lost after changing DNS?
Some providers or corporate networks may block third-party DNS. In this case, return the setting to Auto or Disabled. Also check your internet connection.
The advantage of this method is that it does not require the installation of heavy applications and does not consume the battery. Filtering occurs at the network request level. However, it is worth remembering that aggressive blocking can disrupt the operation of some legal services that use advertising networks for analytics.
Installing specialized content blockers
If the built-in tools are not enough, extensions and individual privacy-oriented browsers come to the rescue. Standard Chrome on Android does not support installing extensions from the store, as is done in the desktop version, so the approach must be different.
You can install a browser Brave or DuckDuckGothat have built-in powerful ad blockers. They run on the Chromium engine (like Chrome), so the interface and bookmarks will be familiar, but pop-up windows will be blocked automatically at the browser kernel level.
An alternative option is to use applications like AdGuard (full version from the developer’s website, since the functionality is reduced on Google Play). Such apps create a local VPN tunnel on the device and filter all traffic passing through it. This is the most reliable, but also the most resource-intensive method.
- 🛡️ Brave Browser: Fast browser with a built-in shield against trackers and advertising.
- 🦆 DuckDuckGo: Focus on privacy and automatic blocking of hidden trackers.
- 🚫 AdGuard: Comprehensive system protection that requires setting up a local VPN.
When choosing a third-party solution, pay attention to the reputation of the developer. Avoid dubious “Internet boosters” and “memory cleaners”, which themselves often become a source of advertising. Trust only well-known brands in the field of cybersecurity.
The combination of a private DNS and a browser with built-in protection (for example, Brave) gives the maximum effect without the need to obtain root access.
Preventing the appearance of advertising in the future
To prevent the problem from returning, you need to change your smartphone usage habits. Most infections occur due to carelessness when visiting websites or installing applications. Be careful when clicking on bright banners with the words “Your phone is infected” or “You have won a prize.”
Never download APK files from unverified forums and file hosting services. Use only the official store Google Play, where applications are moderated. Even from there, sometimes low-quality software slips through, but the risk there is minimal compared to third-party resources.
Regularly check the list of permissions for installed applications. Go to your privacy settings and see which apps have access to "On Top of Other Apps." This is a critical permission that allows you to display ads on top of everything. Revoke it from all applications that do not need it to work (calculator, flashlight, notes should not have this right).
⚠️ Attention: The Android settings interface may differ depending on the phone model (Samsung, Xiaomi, Pixel) and shell version. If you don't find the item listed, search Settings using the keyword "Permissions" or "Special Access."
Digital hygiene is your best defense. Do not follow links from spam mailings in SMS and instant messengers. If the link looks suspicious, it is better to enter the name of the service into the search manually rather than clicking on a direct link.
Frequently asked questions (FAQ)
Why do advertisements appear even when I am not in the browser?
This is a sure sign that a malicious application is installed on the phone, and not a problem in Chrome. It runs in the background and uses the system resolution to display on top of other windows. You need to find and remove this application through your phone settings.
Is it safe to use DNS dns.adguard.com?
Yes, it is a public and reliable service that simply does not return the IP addresses of ad servers. Your personal data is not collected, and Internet speed may even increase due to the absence of downloading advertising garbage.
Can resetting your phone remove ads?
Resetting to factory settings (Hard Reset) removes absolutely all data and applications, including viruses. This is a radical method that helps in 100% of cases, but requires a long time to set up the phone again and restore backups.
Does incognito mode help with pop-up ads?
Incognito mode does not save history and cookies, but does not block the advertising itself. Moreover, some sites may show even more ads in incognito, since they do not have data about your previous targeting preferences.
How to distinguish a system notification from a site advertisement?
Press the notification in the curtain with your finger. If the option “Disable notifications” appears indicating a specific application or site, this is it. If the notification cannot be pinned down or does not disappear after clearing, it may be a virus window.