Threat Database Adware 'Error: Unknown System Failure' Pop-Ups

'Error: Unknown System Failure' Pop-Ups

By GoldSparrow in Adware

The 'Error: Unknown System Failure' pop-up windows that you may notice while surfing the Internet should not be trusted. The 'Error: Unknown System Failure' pop-ups are used to promote services from uncertified computer support agents. Cyber security experts alert that the 'Error: Unknown System Failure' messages are used to maintain a technical support tactic where users are suggested their systems are infected, and they need to call a toll-free phone line. The 'Error: Unknown System Failure' alerts might appear on a background that is almost identical to the layout of, which is the legitimate support page for the Windows OS users. Con artists work with Web designers to publish pages like, which look very similar to, but they recommend phone lines that are not operated by Microsoft. The 'Error: Unknown System Failure' pop-up windows may urge users to call phone numbers like:

  • 855-385-8544
  • 888-576-1517
  • 888-880-6533

The 'Error: Unknown System Failure' notifications may offer the following text to your attention:

'Error: Unknown System Failure
Please call us immediately at 1-844-609-4444
Please do not ignore this critical alert.
If you dose this page, your computer access will be disabled to prevent further damage to our network.
Your computer has alerted us that it has been infected with a virus and spyware. The following information is being stolen:
> Facebook Login
> Credit Card Details
> Email Account Login
> Photos stored on this computer
You must contact us immediately so that our engineers can walk you through the removal process over the phone. Please call us in the next 5 minutes to prevent your computer from being disabled.

Whenever you try to close the 'Error: Unknown System Failure' dialog box another message may appear and prevent you from closing the page on your screen. Web designers associated with fake computer support companies are hired to publish pages that include a script that prevents users' from leaving and simulates a screen locker window. PC users that have trouble closing the 'Error: Unknown System Failure' warnings should not call the phone number listed on the screen. The 'Error: Unknown System Failure' dialog boxes are not legitimate security warnings, and you should close the browser using the task manager. You can remove software associated with the 'Error: Unknown System Failure' pop-ups with the help of a trustworthy anti-malware scanner. The list of domains related to the 'Error: Unknown System Failure' technical support tactic is long and continues to expand. Web surfers may find the 'Error: Unknown System Failure' pop-ups on the following addresses:

  • error-code[.]xyz
  • error-detected[.]org
  • harddisk-error-found[.]xyz
  • important-error-notice[.]xyz
  • microsoft-alert-detection[.]ga
  • microsoft-alert-detection[.]ml
  • microsoft-warning-page[.]xyz
  • world-wide-support[.]website


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