I encounter a problem in my PC last night with a program called ‘System Activation Key Has Expired’ Pop-Ups. I tried all means and measures to Uninstall it but fails to do so. I didn’t remember the exact cause of its entrance but as per my knowledge it must have entered when i have opened a mail marked as Spam yesterday. I have also checked my Google Extension but could not find anything. Now my system has been messed up and my online surfing is diminished to a considerable extent. Any one who is aware of this bug please help me to get rid over it and remove it permanently from my PC.

Measures To Avoid ‘System Activation Key Has Expired’ Pop-Ups from entering to PC

Always scan your PC at regular interval with an updated anti-virus software.
Enable Firewall protection in your system.
Do not visit suspicious sites and don’t download anything from there.
Always use legitimate site for your online surfing and read terms and condition before installation of any programs.
Always use strong password for your PC so that no one can access it without your permission.
Disable your Bluetooth devices and auto-play features when not in use.

What is ‘System Activation Key Has Expired’ Pop-Ups?

‘System Activation Key Has Expired’ Pop-Ups has been detected by security experts as very dangerous System threat. According to its behavior, it is classified as a Trojan infection. This Trojan is highly compatible with all version of Windows including Windows XP, Vista, 7, 8, 10 and so on. Generally, it present at the hidden location in System drive which may locks your PC and demands money to recover your all data. Just like other Trojan infection, it can seriously cause lots of damages to your PC. Although, it has been created by cyber hackers for illegal purposes. Once ‘System Activation Key Has Expired’ Pop-Ups successfully intrudes into your PC, it will automatically modify important registry and System settings to corrupts your registry files. This trojan infection has been created by cyber hacker by using advanced rootkit technology for illegal purposes. It may opens your System backdoor and allow remote hackers to access your PC remotely and collect your all crucial data such as banking login details, ID, password, Debit or Credit card details etc. What’s worse, This Trojan
is capable to collect your crucial data and then send them to hackers without your consent. Therefore, it is very necessary to delete ‘System Activation Key Has Expired’ Pop-Ups quickly before it crashes and destroy your PC.

Method 1: Remove ‘System Activation Key Has Expired’ Pop-Ups by Using SpyHunter.

SpyHunter is a useful malware removal tool that detects and removes many malicious threats that several of the major brands can’t detect. This tool will be able to find out and delete ‘System Activation Key Has Expired’ Pop-Ups and other related threats from your PC without much trouble. Now follow the steps below to automatically remove the Trojan horse:

Step 1: Download and install SpyHunter on your PC.

download spyhunter now

Step 2: Upon the installation, launch SpyHunter and perform a full system scan by clicking “Scan Computer Now”.

spyhunter-scan computer now

Step 3: Wait for the scan to complete. Then, you will be shown all detected threats on your PC.

spyhunter-fix threats

Step 4: To clean up all threats completely, click “Fix Threats” and restart your PC.

Method 2: How to manually get rid of ‘System Activation Key Has Expired’ Pop-Ups?

Restart your computer in Safe Mode with Networking.

For Windows 8:

Reach the desktop on Windows 8 first.
Press Ctrl + Alt + Del keys together.
Open Switch User interface.

And then hold down the “Shift” key and click on “Shut down” button.
Select Restart option from the pop-up page.
From the next page to choose “Troubleshoot”.

Click on “Advanced Option” and choose “restart”.
Under Startup Settings, press F5/5 key to navigate to the Safe Mode with Networking.

Windows 7, XP and Vista:
Shut down the affected computer first.
Press F8 key repeatedly until Windows Advanced Option Menu loads.
Select the Safe Mode with Networking option by using the up and down arrow keys.
Hit Enter key to reach the desktop.

Step 2: Open Task Manager by tapping Alt+Ctrl+Del keys together. Move the mouse pointer to “Processes” tab. Detect the fake process created by the ‘System Activation Key Has Expired’ Pop-Ups popup and click on “End processes” to terminate them.

You can skip this step if you do not find any file associated with ‘System Activation Key Has Expired’ Pop-Ups popup.

Step 3: Uninstall ‘System Activation Key Has Expired’ Pop-Ups popup programs from the Control Panel.

Remove ‘System Activation Key Has Expired’ Pop-Ups popup For Windows 7| Vista

  • Click on Start menu and tap Control Panel.


  • Select “Programs” option and choose “Uninstall a Program”.


  • Detect all the malicious programs associated with ‘System Activation Key Has Expired’ Pop-Ups popup and click on Uninstall button.


Steps to Delete ‘System Activation Key Has Expired’ Pop-Ups popup From Windows 8

  • On the right edge of the screen, Click on Search button and type “Control Panel”. Click on search button.


  • From the search results, select Control Panel. Its Window will appear on the screen, click on Programs and Features option.


  • Identify the unknown programs and click on Uninstall button to get rid of ‘System Activation Key Has Expired’ Pop-Ups popup permanently.


Steps to Delete ‘System Activation Key Has Expired’ Pop-Ups popup From Windows 10

  • Click on Start button.


  • To show all the contents, you need to click on Settings option.


  • Tap System.


  • From the System menu, Choose Apps and Features option.


  • Find ‘System Activation Key Has Expired’ Pop-Ups popup from the list.


  • Finally, Click on Uninstall button to protect the system from ‘System Activation Key Has Expired’ Pop-Ups popup.


Step 4.Uninstall ‘System Activation Key Has Expired’ Pop-Ups via System Restore.

System Restore is a utility which comes with Windows operating systems and helps computer users restore the system to a previous state and remove programs interfering with the operation of the computer. If you have created a system restore point prior to installing a program, then you can use System Restore to restore your system and completely eradicate the unwanted programs like ‘System Activation Key Has Expired’ Pop-Ups. You should backup your personal files and data before doing a System Restore.


a. Close all files and programs that are open.

b. On the desktop, right click Computer and select Properties. The system window will display.

c. On the left side of the System window, click System protection. The System Properties window will display.

System protection

d. Click System Restore and the System Restore window will display.

system properties system restore

e. Select Choose a different restore point and click Next.

restore system files and settings

f. Select a date and time from the list and then click Next. You should know that all programs and drivers installed after the selected date and time may not work properly and may need to be re-installed.

choose a restore point

g. Click Finish when the “Confirm your restore point” window appears.

confirm your restore point

h. Click Yes to confirm again.

windows 7 restore finish confirm

How to Block/Remove Trojan


‘System Activation Key Has Expired’ Pop-Ups is a malicious and stubborn Trojan infection which must be removed as soon as you detect it on your computer. General antivirus program is really hard to detect this virus. Once this virus is detected, it couldn’t be removed by any antivirus applications. This infection can only be removed by manual. Manual removal way is the most effective and quickly method to get rid of this infection completely and permanently. Once this infection installed on your computer, it has the ability to change your important system files such as DNS settings, browser settings as so on. As a result, while you are browsing the Internet, you may be redirected to visit some unknown websites automatically. While you are using your computer, you may find that your computer can’t run as normally as before any more. Your computer may get stuck, websites crashed, security system disabled, etc. What’s more, this infection can act as a backdoor for other infection to get into your computer more easily. With the backdoor opening, warms
, spyware, adware, and other Trojans may make chaos on your computer without any obstacle. This virus is a great threat to your computer. Hence, it is strongly recommend you get rid of this virus as early as possible before it damages your whole computer.