Remove PC Doctor malware and popup ads on Windows 10

 Author: Shengtao Zhou       Created: 1/19/2019 9:51:03 PM       Modified: 2/25/2019 4:11:17 PM   More...

If you have annoying popups appear on the bottom right corner of Windows 10, then you could have malware. Malware can be worse than annoying. It could slow down your machine, shut down the internet or steal your data, etc.

There're some steps you can follow to clean out malware from your machine:

A) Turn off Chrome Notifications

Check if there's a small notepad icon on your windows toolbar. Click the icon, it lists all Chrome notifications, just turn them off one by one.

B)  Change Chrome notification settings

    1. Click "...." on the top right corner of Chome
    2. Click "Settings", Choose  Advanced Settings at the bottom
    3. Under "Privacy and security", "click Content Settings"
    4. Click Notifications, here you can choose to add/remove some or all.

C) Run malware removal software to scan your computer 

Here's a list of malware scan software to choose:

AdwCleaner (Free)

Malwarebytes (Get the free version)
    When offered, uncheck: Enable free trial of Malwarebytes Anti-Malware Premium.




Junkware Removal Tool (Free)

D) Reset your browsers

This will clear cache and reset plugins, which malware could be hiding in.

1. Reset IE 11

    Close all open windows and programs.
    Open Internet Explorer, select the "Tools"  button, and then select Internet options.
    Select the Advanced tab, and then select Reset.
    In the Reset Internet Explorer Settings dialog box, select Reset.
    When Internet Explorer finishes applying default settings, select Close, and then select OK. Restart your PC to apply changes.

2. Clear Edge Cache

    It's not possible to reset Edge setting, but you can clear cache:
    Click "…" icon on the right top corner, select "Settings" and click on "Choose what to clear".
    Check the boxes Browsing history, Cookies and saved website data and Cached data and files and click on Clear.

3. Reset Chrome

    On your computer, open Chrome.
    At the top right, click the button with 3 dots and then select "Settings".
    At the bottom, click Advanced.
        For Chromebook, Linux, and Mac: Under "Reset Settings," click Restore settings to their original defaults and then Reset Settings.
        ForWindows: Under "Reset and cleanup,” click Reset Settings and then Reset Settings.

4. Reset Firefox

    Click this "Refresh Firefox" button directly, if you are viewing this page in Firefox.
    To continue, click Refresh Firefox in the confirmation window that opens.
    Firefox will close to refresh itself.
    When finished, a window will list your imported information. Click Finish and Firefox will open.

E) Uninstall "Dell SupportAssistant"

If you check "Task Manager", find some process seems new or with a strange name. 

Let's take  "PC-Doctor" for example, it is a common malware comes with the free download. it pretends to be "Dell SupportAssistant". Please check step F) to remove PC-Doctor folder manually. 

Then uninstall and reinstall "Dell SupportAssistant. If you uninstall failed, please download a Microsoft tool from the link below.

When you open the tool, click next button, on the second screen, click "Uninstalling". Then you can choose to remove "Dell SupportAssistant". 

Then restart your PC. Make sure everything is fine. You can download "Dell SupportAssistant" again from Microsoft Store. Since this software is still needed to update your Dell computer software, like hardware drivers.

In Windows 10, if you click "Start" and type in "Dell SupportAssistant", it will show a download link automatically.

F) Manually remove PC-Doctor

PC doctor could be found in the folder below and delete it
    C:\Program Files\Dell\SupportAssistAgent\PCDr

If the PC Doctor is still running, you could get errors when deleting the folder. Please proceed with these 2 steps:
    1. Close all the browsers since PC Doctor runs as Browser Plugin.
    2. Stopped all Dell windows service, if you can't stop any, just disable the Dell service and restarted your machine.

You should be able to delete the files after restart. If you can't delete them together, try to delete all files folder by folder or file by file. 

Then, don't forget to run the Microsoft tool to uninstall "Dell SupportAssistant" and download and install from Microsoft Store again (As described in the previous step).

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