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'. The window may even have a phone number to call as seen below: What You Should Do If You See One of These Windows?

It's important to understand that this is not a computer virus, and your Mac has not been infected with any malware. It is also very important that you do NOT call the phone number listed in this window. This is a scam, and you should not spend any money or share your personal information with anyone to get rid of these messages.

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. Server premium minecraft. Removing the Alert From Your Web Browser: If you see this message in your web browser, follow the instructions below to clear this threat: 1. Reset Your Browser Note: The following steps are for the latest version of Safari 11. If you are using an older version, see: To remove Chrome or Firefox files, click the appropriate link below: In the Safari 11 menu, choose 'Preferences.' Click the 'Privacy' button at the top of the new window that appears, and then click the 'Manage Website Data' button. In the next dialog box, click Remove All. It will ask you if you are sure you want to remove all data stored by websites on your computer.

Google Releases Google Chrome Update Original release date: February 21, 2014. Google has released Google Chrome 33.0.1750.117 for Windows, Mac, and Linux to address multiple vulnerabilities, some of which could allow a remote, unauthenticated attacker to completely compromise a vulnerable system. Chrome Has a Malware Problem, and Google Needs to Fix It. If Google lets this continue, the Chrome Web Store, and Chrome in general, could end up as riddled with malware as Android, whose Google Play marketplace also has an automated app-screening process of questionable efficiency. And if the Chrome browser falls, then so does Chrome OS.

Select 'Remove Now' to clear data that could be used to track your browsing. Next, you'll want to clear caches. To do so, you now have to enable Develop mode to clear Safari caches: • From your Safari menu bar, click Safari > Preferences, then select the Advanced tab.

• Enable the checkbox to 'Show Develop menu in menu bar'. Now from the menu bar, click Develop > Empty Caches. 2. Force Quit + Hold Shift Key While Restarting Your Browser The other tactic simply targets the function that resumes open windows after a crash, which can be done by holding the Shift key while starting Safari.

First you will need to force-quit Safari as you would expect, either by going to the Apple menu and choosing “Force Quit” and choosing to quit Safari, or by using the keyboard-combination Command + Option + Escape (Cmd+Alt+Esc) to bring up the same window. The second step is to hold the Shift key while relaunching Safari, which restarts the browser without reloading any previously open windows.

Delete Safari Preferences Manually If neither of the steps above work, then you will want to manually delete files from your computer to fix the issue for good. First, you will need to go to your Preferences folder. Open a Finder window. Click: Go > Go to Folder. In the top menu bar: Now, type the following exactly as listed below (or copy-paste): ~/Library/Preferences It should look like this: Next, locate the file called: com.apple.Safari.plist, and drag and drop this file in the Trash.