Remove DropboxExt64.3.0.dll

What is DropboxExt64.3.0.dll?

DropboxExt64.3.0.dll is a Dropbox shell extension, developed by Dropbox, Inc (According to the version information of DropboxExt64.3.0.dll). It would be injected into a web page and could get your system when you visited a malicious site. It works in the background, and able to change the search setting of your browser.
This type of malware usually located in C:\Program Files(x86)\Dropbox\Client|folder.
In other words, we can say that DropboxExt64.3.0.dll is a system tool, used to compromise PC security by web criminals. This application is detected as a potentially unwanted program, that is very harmful to your system and can create problems for PC users.

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Being dangerous, it can also damage the programs on your computer and can raise so many error messages which can be scary for a computer user. Victims can find a lot of advertisement which gets added to a web page and keeps appearing while being connected to the internet. While browsing anything on the internet, the user can find unnecessary pop-up ads, banners, and coupons. By clicking on those ads, you can install computer threats which can damage your anti-malware programs, in order to steal your personal information like web history, search queries, etc, which is shared with cyber criminals to let them take control of the compromised system.

The behavior of DropboxExt64.3.0.dll virus:

  • Corrupted or invalid virus related entries found in the registry.
  • Virus infection, which badly impacted the DropboxExt64.3.0.dll documents from Microsoft.
  • Due to few other files get corrupted, the hard drive gets failed to start the operating system.
  • Other .exe files get overwritten the DropboxExt64.3.0.dll.
  • Other harmful malware gets infected and deleted the virus files.
  • Another application renamed or uninstalled the DropboxExt64.3.0.dll file.
  • After getting infected by such a nasty virus, the system may get slow down and act weirdly. So you have to uninstall this virus immediately from your computer.

How to Uninstall DropboxExt64.3.0.dll?

For quick and effective solution to get rid of DropboxExt64.3.0.dll from your PC, you can run a scan with an advanced malware removal tool and delete DropboxExt64.3.0.dll completely within few mouse clicks only.

STEP 1: Start Your PC in Safe Mode With Networking

Windows 8/10

Booting Into Safe Mode on Windows 8 or 10

Numerous ways are there to get into the safe mode with networking option on your Windows computer system, but with Windows 8 & 10 OS. Few of those functions are need to be accessed with a little longer procedure. Well, here we are available to help you with the simplest way to access safe mode in Windows 8 or Windows 10 PC.

Here we will share the simplest method to access safe mode in networking.

1. Boot your PC to the login screen and then hold SHIFT key, while holding it click on RESTART button.

win 8 homescreen

Windows 8 Screen

windows 10 homescreen

Windows 10 Screen

2. This will take you to the troubleshooting option screen where to enable the Safe Mode.


In other scenarios, there are options that you could not boot your login screen, here-

You could see another screen known as Recovery screen. To access this window you can hold the SHIFT key and keep tapping on F8 key. This will let you enter the advanced “recovery mode”. Here you can easily choose advanced repair options.

advance troubleshoot option win 10

Now go to the Start Up settings.

startup settings windows 10

There click on the Restart option available there.

restart your system

When the computer finally restarts, press the number that says Enable Safe Mode with Networking. Usually number 5 from the list.

enable safe mode with networking

Enter your admin login details and Enter Windows in Safe Mode with Networking.

Windows XP, Vista or 7

Restart Your PC and keep tapping on F8 key.

start pc in safemode

It will open and advanced menu option from there you need to choose the Safe Mode with Networking Option. You can easily make the selections with the help of arrow keys.

safe mode with networking

After choosing Safe Mode with Networking option. Click on Enter.

press enter

STEP 2: How to Show Hidden Files & Folders

Windows 8, 10

You need to Press Windows Key+E.

From the upcoming window you need to get to the View tab on the menu option.

Locate the Options icon and click on it.

locate hidden files in windows

A dialog box will get appear and you will need to click on “Show Hidden Files and Folders” option and click on Apply and then OK.

show hidden files

Windows 7

Press Windows Key + E.

From currently appeared window click on Organize option. (Usually appear on top left corner)

organize option win 7

Clicking on it will result in a drop-down list, select Folder & search options.

Go to the view tab of the next appeared Dialog box and click on “Show hidden files and folders”.

Click on Apply and then OK.

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STEP 3: Stop DropboxExt64.3.0.dll Related Processes From Task Manager

Windows XP, Vista, 7

To Open the Task Manager All you need to do is to press CTRL+ALT+DEL buttons simultaneously.

task manager


Or you can simply right-click on the taskbar and select task manager to open Task Manager on your screen.



Go to the processes tab and click on it. A list of running processes will appear on the screen.

end process


Select all those processes which are related with DropboxExt64.3.0.dll and end those immediately.

end process

Now go to the Service Tab and Stop all unknown services running there.

Windows 8, 10

In Windows 8 and Windows 10, you can simply open the Task Manager with the help of CTRL+SHIFT+ESC buttons.

task manager win8,10

There is another way to do the same thing and open the Task manager, is to right-click on the task bar of your desktop and select Task Manager from the list which appears.

task manager

Go to the Process Tab to see all the running processes which are associated with DropboxExt64.3.0.dll, after that click on End Process. It is important to end all unidentified processes to make your PC threat free.

end process

STEP 4: How to Remove DropboxExt64.3.0.dll From Your Windows Control Panel

Windows XP, Vista, 7

Navigate to the Start Menu and click on Control Panel option as shown in the Image below.

control panel

Next window will appear with the options which are available within the control panel where you need to select Uninstall a program option.

uninstall program option

Again next window will display you a list of programs which is installed on your PC. From here you need to uninstall all those kind of programs which are unknown/unidentified or associated with DropboxExt64.3.0.dll.

uninstall program option

Note – Although we have shown the images of Windows 7 here, but the options and navigation for Windows XP and Vista are the same.

Windows 8, 10

Click on the Search Box of your Windows Explorer and search for Control Panel.


Click on the Control Panel icon that appears and then click on Uninstall a Program from the Control Panel window that appears next.


Next window will get to uninstall any program option with a list of options. Uninstall all DropboxExt64.3.0.dll associated programs along with it if it appears.


STEP 5: How to Remove DropboxExt64.3.0.dll From Your Browser

If DropboxExt64.3.0.dll has stuck in your web browser and always keep appearing with your web browsing things then you need to check and remove it away from your browser. Few of the popular web browsers are described below with DropboxExt64.3.0.dll removal steps.

Internet Explorer

Open your IE browser and Click on the Tools button.


After that click on Manage Add-ons.


From left-side of next window that appears to click on Toolbars and Extensions and then select DropboxExt64.3.0.dll, if it appears there.


Also, remove all kind of BHOs which you don’t recognize or don’t know.

Click to remove those extensions or click on disable whichever is possible.

Restart your browser.

Google Chrome

Open your Google Chrome browser and click on the three horizontal lines icon available on Chrome menu on the top right corner of the browser toolbar.


Now choose the option appear as Settings.


Go to the Extensions tab. (Click on it)


Locate DropboxExt64.3.0.dll extension and click on its trash icon and remove it from Google Chrome browser.


Remove all those extensions which you do not need or you do not know.


Then a confirmation box will appear which you have to confirm.

Mozilla Firefox

  • Open Mozilla Firefox browser and Go to Tools.


  • Click on Add-ons and Open Add-ons manager tab.


  • In the Add-ons manager tab click on Extensions Panel.
  • Remove all kinds of unknown extensions and also remove DropboxExt64.3.0.dll extension if available there.
  • Click to Disable or Remove DropboxExt64.3.0.dll.
  • Click to restart browser if it pops-up on your screen.
Manual removal of DropboxExt64.3.0.dll requires good technical skills and sound knowledge of system files and registries as well. If any important data is removed by accident then permanent system damage can be experienced. To prevent this troublesome effect – remove DropboxExt64.3.0.dll with trusted anti-malware removal tool.

STEP 6: Remove DropboxExt64.3.0.dll From Your PC Automatically

The free scanner we provide here to scan DropboxExt64.3.0.dll on any Windows computer system is reliable and clever enough to identify all kinds of virus/malwares and any other kind of threat which can hamper your Windows computer system by any mean. The free scanner suggested on our website here supports all versions of Windows computer system and will not hamper your computer by any mean. If you want to uninstall the software then you can Click Here.

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