If you’re seeing “PRODUCT KEY MISING” screen instead your Windows desktop and your computer is locked, then your system is infected with a malware from a family of fake.Tech-Support. This malware displays the “PRODUCT KEY MISING” prompt that is a misleading advertising. It is created to scare you into thinking that your computer is a suspected of malicious software.
In reality, authors of “PRODUCT KEY MISING” scam wants trick you into calling a fake customer support service (1-844-459-8882) in order to get a help. A telephone, which is given in the message is a fake Windows tech support service. By calling it, you just lose your money and your time!
“PRODUCT KEY MISING” will always make you think that your computer has lots of problems. As soon as you start your PC, the misleading program will automatically started and you will get a “PRODUCT KEY MISING” lock screen. The text of the “PRODUCT KEY MISING” screen is:
Customer Support Helpline: 1-844-459-8882
ERROR_LOCAL_USER
BX06DE489_MD9858
PRODUCT KEY MISING.Active Windows
Moreover “PRODUCT KEY MISING” malware may display a fake BSOD screen, that will overlay entire screen, without fear that you can close or terminate it.
As we have already mentioned, it want to push you to call to fake support service. Remember, all you need is to ignore all that this “PRODUCT KEY MISING” scam will display you. Follow the guidelines below to get rid of this scareware. The detailed instructions below can be followed by anyone as it really does take you step-by-step.
How to remove “PRODUCT KEY MISING” lock screen (Step-by-step instructions)
The following instructions is a full step-by-step guide, which will help you to remove “PRODUCT KEY MISING” lock from your computer. Moreover, the steps below will help you to uninstall malware and potentially unwanted software such as adware and toolbars that your PC may be infected. Please do the instructions step by step. If you need a help or have any questions, then ask for our assistance here or type a comment below.
1. Remove “PRODUCT KEY MISING” lock with TaskManager.
2. Uninstall Productkeyupdate by using Windows Control Panel.
3. Remove “PRODUCT KEY MISING” malware with JRT (Junkware Removal Tool).
4. Remove “PRODUCT KEY MISING” locker with MalwareBytes Anti-malware.
1. Remove “PRODUCT KEY MISING” lock with TaskManager.
Press CTRL + ALT + DEL keys on your keyboard together. You will see a screen like shown below.
Click the Task manager option. It will start the Windows Task manager as shown below.
Looking for WindowsActivationUpdate.exe process, scroll down if need be. When you have found it, right click the WindowsActivationUpdate.exe process and select End task option.
Now you should get your taskbar and icons back. To do this, in the Task manager click File menu, then Run new task as on the following example.
Next you need to download a batch file that will prevent the WindowsActivationUpdate malware from starting automatically from the link below. Right click to the link and select Save as.
When the HKCU_winlogon_clean.bat is downloaded, double-click on it to fix your PC. This will run a batch file that will clear the Windows winlogon configuration that will prevent the WindowsActivationUpdate malware from starting automatically. Press Y and then Enter on your keyboard to confirm.
2. Uninstall WindowsActivationUpdate by using Windows Control Panel.
Press Windows key 
, then click Search 
. Type Control panel and press Enter. If you using Windows XP or Windows 7, then click Start and select Control Panel. It will open the Windows Control Panel as shown below.
Click Uninstall a program 
It will open a list of all programs. Scroll down, select WindowsActivationUpdate and click Uninstall.
Most important, scroll through the all list, and uninstall any unknown programs.
3. Remove “PRODUCT KEY MISING” malware with JRT (Junkware Removal Tool).
Download Junkware Removal Tool from the link below.
JRT (Junkware Removal Tool) download link.
Open a directory in which you saved the JRT. You will see an icon like below.
Run it. Junkware Removal Tool will try to update itself, if a new version is available. Once updating is done, you will see JRT DISCLAIMER.
Please read and press any key to continue. First, JRT creates a restore point and once complete, it will start a scan of a computer.
During the scan, Junkware Removal Tool will check Startups, Services, Processes, Files, Folders, Registry keys, Registry values, Mozilla Firefox, Internet Explorer (EDGE), Google Chrome extensions and remove “PRODUCT KEY MISING” related malicious software that has been found.
When cleaning a computer is completed, JRT will display a log file.
4. Remove “PRODUCT KEY MISING” locker with MalwareBytes Anti-malware.
Download MalwareBytes Anti-malware (MBAM) from the link below.
MalwareBytes Anti-malware download link
Once downloaded, close all programs and windows on your computer. Open a directory in which you saved it. Double-click on the icon that named mbam-setup like below.
When the installation begins, you will see the Setup – Wizard that will help you install MalwareBytes Anti-malware on your computer.
Once installation is complete, you will see window similar to the one below.
Now click on the Scan Now button to start scanning your computer for “PRODUCT KEY MISING” locker. This procedure can take some time, so please be patient.
When the scan is finished, make sure all entries have “checkmark” and click Remove Selected button. MalwareBytes Anti-malware will start to remove “PRODUCT KEY MISING” locker related files, folders, registry keys. Once disinfection is completed, you may be prompted to Restart.
The End.
Your computer should now be free of “PRODUCT KEY MISING” lock screen. If you need help with the instructions, then ask for help here.
