Now from the menu bar, select Develop > Empty Caches.

Enable the checkbox to 'Show Develop menu in menu bar'.

From your Safari menu bar, click Safari > Preferences, then select the Advanced tab.

To do so, you now have to enable Develop mode to clear Safari caches:

Select ' Remove Now' to clear data that could be used to track your browsing. It will ask you if you are sure you want to remove all data stored by websites on your computer. In the next dialog box, click ' Remove All'. In the Safari 14 menu, choose ' Preferences.'Ĭlick the ' Privacy' button at the top of the new window that appears, and then click the ' Manage Website Data' button. If you are using an older version, see: Safari - Resetting Older Versions Note: The following steps are for the latest version of Safari 13 or 14. Protect Your Computer From Future Attacks What To Do If You Called the Phone Numberĥ. If you see this message in your web browser, follow the instructions below to clear this threat: 1. If you do happen to call one of these phone numbers, you will more than likely be asked to install special software on your Mac that will allow them to remotely access information on your computer and possibly compromise your system further.

This is a scam, and you should not spend any money or share your personal information with anyone to get rid of these messages. It is also very important that you do NOT call the phone number listed in this window. It's important to understand that this is not a computer virus, and your Mac has not been infected with any malware. What You Should Do If You See One of These Windows? The window may even have a phone number to call as seen below: We have recently seen an increase in the number of users reporting an issue with their web browsers (Safari, Chrome, or Firefox), where a pop-up alert window appears instructing them that their computer may have been hijacked or that there is a 'major security issue'.

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