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What is GUPlayer?

GUPlayer is a dubious application that claims to allow users to play video files in various formats.

This may seem legitimate and useful functionality, however, be aware that GUPlayer is considered to be a potentially unwanted program or adware, since It installs on Internet browsers using a deceptive software marketing method called 'bundling' (stealth installation of additional applications together with the chosen software) without users' permission.

After successful infiltration on Internet Explorer, Mozilla Firefox, and Google Chrome, GUPlayer generates intrusive online advertisements, including banners, which may lead to high-risk adware or malware infections.

Additionally, GUPlayer collects various software and hardware information that may be personally identifiable. For example: operating system, installed applications, IP addresses, browser type, cookies, URLs visited, search queries, pages viewed, etc. This information tracking may lead to serious privacy issues or identity theft.

There are many applications similar to GUPlayer - Clean Browser, PrestoSavings and Object Browser are just some examples among many others.

Neither GUPlayer, nor any of these other applications, are useful to the user - they are created to generate revenue by the display of intrusive advertisements and sharing collected data. For these reasons, you are strongly advised to uninstall GUPlayer from your system.

Research shows that most adware is distributed via small programs called 'download clients' used by freeware download websites such as download.com, softonic.com, soft32.com, etc. Download clients are used to monetize these websites' traffic and free services, since they offer installation of additional applications or browser extensions together with the chosen software.

Although the developers claim that these applications are '100% legitimate and virus-free', reckless download and installation of freeware often results in adware or malware infections. This situation can be avoided by closely inspecting each step of the free software download procedure and never accepting offers to install other programs.

In addition, when installing downloaded software, select the 'Advanced' or 'Custom' installation options - this will reveal any concealed applications listed installation and allow you to opt-out. If you have installed GUPlayer, follow this removal guide to eliminate this adware from your system.

Deceptive free software installers used in GUPlayer adware distribution:

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Quick menu:

• What is GUPlayer?
• STEP 1. Uninstall GUPlayer application using Control Panel.
• STEP 2. Remove GUPlayer adware from Internet Explorer.
• STEP 3. Remove GUPlayer ads from Google Chrome.
• STEP 4. Remove 'Ads by GUPlayer' from Mozilla Firefox.
• STEP 5. Remove GUPlayer extension from Safari.
• STEP 6. Remove rogue plug-ins from Microsoft Edge.

GUPlayer adware removal:

Windows 11 users:

Right-click on the Start icon, select Apps and Features. In the opened window search for the application you want to uninstall, after locating it, click on the three vertical dots and select Uninstall.

Windows 10 users:

Right-click in the lower left corner of the screen, in the Quick Access Menu select Control Panel. In the opened window choose Programs and Features.

Windows 7 users:

Click Start (Windows Logo at the bottom left corner of your desktop), choose Control Panel. Locate Programs and click Uninstall a program.

macOS (OSX) users:

Click Finder, in the opened screen select Applications. Drag the app from the Applications folder to the Trash (located in your Dock), then right click the Trash icon and select Empty Trash.

In the uninstall programs window, look for "GU Player", select this entry and click "Uninstall" or "Remove".

After uninstalling the potentially unwanted program that causes GUPlayer ads, scan your computer for any remaining unwanted components or possible malware infections. To scan your computer, use recommended malware removal software.

Remove GUPlayer adware from Internet browsers:

At time of research, GUPlayer did not install its browser plug-ins on Internet Explorer, Google Chrome, or Mozilla Firefox, however, it was bundled with other adware. Therefore, you are advised to remove all potentially unwanted browser add-ons from your Internet browsers.

Video showing how to remove potentially unwanted browser add-ons:

Remove malicious add-ons from Internet Explorer:

Click the "gear" icon (at the top right corner of Internet Explorer), select "Manage Add-ons". Look for any recently-installed suspicious extensions, select these entries and click "Remove".

Optional method:

If you continue to have problems with removal of the guplayer adware, reset your Internet Explorer settings to default.

Windows XP users: Click Start, click Run, in the opened window type inetcpl.cpl In the opened window click the Advanced tab, then click Reset.

Windows Vista and Windows 7 users: Click the Windows logo, in the start search box type inetcpl.cpl and click enter. In the opened window click the Advanced tab, then click Reset.

Windows 8 users: Open Internet Explorer and click the gear icon. Select Internet Options.

In the opened window, select the Advanced tab.

Click the Reset button.

Confirm that you wish to reset Internet Explorer settings to default by clicking the Reset button.

Remove malicious extensions from Google Chrome:

Click the Chrome menu icon (at the top right corner of Google Chrome), select "Tools" and click "Extensions". Locate: all recently-installed suspicious browser plug-ins, select these entries and click the trash can icon.

Optional method:

If you continue to have problems with removal of the guplayer adware, reset your Google Chrome browser settings. Click the Chrome menu icon  (at the top right corner of Google Chrome) and select Settings. Scroll down to the bottom of the screen. Click the Advanced… link.

After scrolling to the bottom of the screen, click the Reset (Restore settings to their original defaults) button.

In the opened window, confirm that you wish to reset Google Chrome settings to default by clicking the Reset button.

Remove malicious plugins from Mozilla Firefox:

Click the Firefox menu (at the top right corner of the main window), select "Add-ons". Click "Extensions", in the opened window, remove all recently-installed suspicious browser add-ons.

Optional method:

Computer users who have problems with guplayer adware removal can reset their Mozilla Firefox settings.

Open Mozilla Firefox, at the top right corner of the main window, click the Firefox menu, in the opened menu, click Help.

Select Troubleshooting Information.

In the opened window, click the Refresh Firefox button.

In the opened window, confirm that you wish to reset Mozilla Firefox settings to default by clicking the Refresh Firefox button.

Remove malicious extensions from Safari:

Make sure your Safari browser is active, click Safari menu, and select Preferences....

In the opened window click Extensions, locate any recently installed suspicious extension, select it and click Uninstall.

Optional method:

Make sure your Safari browser is active and click on Safari menu. From the drop down menu select Clear History and Website Data...

In the opened window select all history and click the Clear History button.

Remove malicious extensions from Microsoft Edge:

Click the Edge menu icon  (at the upper-right corner of Microsoft Edge), select "Extensions". Locate all recently-installed suspicious browser add-ons and click "Remove" below their names.

Optional method:

If you continue to have problems with removal of the guplayer adware, reset your Microsoft Edge browser settings. Click the Edge menu icon  (at the top right corner of Microsoft Edge) and select Settings.

In the opened settings menu select Reset settings.

Select Restore settings to their default values. In the opened window, confirm that you wish to reset Microsoft Edge settings to default by clicking the Reset button.

• If this did not help, follow these alternative instructions explaining how to reset the Microsoft Edge browser.

Summary:

Commonly, adware or potentially unwanted applications infiltrate Internet browsers through free software downloads. Note that the safest source for downloading free software is via developers' websites only. To avoid installation of adware, be very attentive when downloading and installing free software. When installing previously-downloaded free programs, choose the custom or advanced installation options – this step will reveal any potentially unwanted applications listed for installation together with your chosen free program.

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