Windows 10: warning notice

Dell optiplex

What causes this on a website a big lock-up on-screen appears in red appears a warning and a talking notice to call a phone number to correct it
is it a virus


i reboot it goes away
what is the best defense for this will malware bytes work?
Thank you
TIM

:)

 

Low Memory warning for Firefox in Windows 10

Hi,

In order for us to properly address your concern regarding the "Low Memory" warning, we would like to gather more information:

• Are you getting this warning when using other browsers?
• Can you send us a screenshot of the warning message?
• What troubleshooting steps have you tried so far?

Regards.

 

Close all tabs warning disabled after update KB3116900

Hi,

Thank you for providing us the details.

I would suggest you to try the below steps and check if it helps.

• Press Windows + R keys, opens the Run Command.
• Type inetcpl.cpl and hit Enter.
• Under General Tab, select Tabs.
• Select if the Warn me when closing the multiple tabs is
  checked.

Keep us posted to help you better.

 

warning message when startup

Hi,

Thank you for posting in Microsoft Community and being a part of Windows 10.

I understand your concern about accessing the operating system with the warning message and slow performance. We will help you with this issue.

Do let us know the following to assist you better with this issue:

• What is the complete error message/ error code of this issue?
• Have you made any changes to the operating system prior to this issue?

Try few of the below troubleshooting steps and check if it helps.

Method 1: I suggest you to Run System Maintenance Troubleshooter.

It finds and clean up unused files and shortcuts and performs maintenance tasks.

Follow:

• 
  Type Troubleshooting in the Search box from the desktop.
  
• 
  Select the Troubleshooting option.
  
• 
  Select View All option and select the
  System Maintenance.
  
• 
  Click on Next to perform the System Maintenance troubleshooter and follow the steps.
  

Method 2: I suggest you to boot the computer in Safe mode with Networking and check if this issue persist.

Refer: Start your PC in safe mode in Windows 10


Follow the below steps to place the computer in normal mode.

• Press Windows + R keys to open Run
  command.
• Type msconfig and press Enter.
• In the System Configuration window, click on
  General tab.
• Select Start-up selection as Normal startup, click on
  Apply and Ok.
• Follow onscreen instructions.

Method 3: I suggest you to install he pending updates on your device.

Steps:

• Connect to the internet.
• Press Windows key and type
  updates.
• Click on Check for updates.
• Under Windows Updates, click on
  Check for updates.
• Try to install the updates being shown.

Hope it helps. Try the above and get back to us with an updated status of this issue for further assistance.