How to Fix the ‘Secure Boot Violation- Invalid Signature Detected’ Error


The “Secure boot violation- invalid signature detected” is an issue that shows the booting process of the computer. This issue is very annoying, and most of the users are looking for a solution to it. Some of the users have found their own solution to fix this issue. If you are unable to find any way to fix this error, then follow the instructions mentioned in this article.



Here’s how to fix the ‘Secure boot Violation invalid signature detected’ error
·  Turn off the Secure Boot
1. Turn on the computer.
2. Enter the BIOS settings tab.
3. To enter this menu, you need to click on the BIOS key.
4. You will get the BIOS key on the boot menu.
5. This menu indicates the “Press_to enter Setup.” on the desktop.
6. You will also get the other keys on the desktop also.
7. The most common BIOS keys are F1, F2, Delete and etc.
8. Start using the right key to select the Security option while opening the BIOS settings tab.
9. Start using the arrow button to choose the “Secure Boot Configuration” option.
10. Click on the Enter option.
11. You will get the warning text on the screen before using the menu list.
12.  Click on the F10 key.
13. It will open the Secure Boot Configuration menu.
14. You need to start using the down arrow key.
15. This procedure is for choosing the Secure Boot option.
16. Start using the right-hand error key to customize the settings tab to turn off the Secure Boot option.
17. Go to the Exit column.
18. After that, select the Exit Saving Changes option.
19.  It will boot the system.
20. You need to check whether this issue is fixed or not.
· Uninstalling the KB3084905 Windows update
1. Press on the Start option.
2. Go to the Control Panel menu.
3. You need to enter the term ‘Control Panel’ in the search bar for this procedure.
4. Press on the option given on the upper side of the screen.
5. Go to View as a Category option.
6. It is located on the upper right-hand side of the screen.
7. Press on the Uninstall the Program given below the Programs section.
8. By going to the right-hand corner of the display, you need to check the View installed updates option.
9. This option is in an azure-colored icon.
10. You will get the menu list of all the Windows update which are available now.
11. Go through the Microsoft Windows column.
12. It is located at the end of any KB3084905 update.
13. Go to the left-hand side of the screen.
14. You need to go through the Installed on a column which is showing the date while installing the updates.
15. You need to find the number of the KB which is KB3084905.
16. Press on the update option.
17.  Select the Uninstall option.
18. It is given on the upper side of the screen.
19. Go through the guidelines showing on display.
20. Let Microsoft show any new update which you will automatically installed on the download folder.
21. Check the “Secure boot violation-invalid signature detected” is fixed.
Deam Jones is a self-professed security expert; he has been making the people aware of the security threats. His passion is to write about Cyber security, cryptography, malware, social engineering, internet and new media. He writes for Norton security products at norton.com/setup.


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