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Konstantinos Tsoukalas

Konstantinos is the founder and administrator of Since 1995 he works and provides IT support as a computer and network expert to individuals and large companies. He is specialized in solving problems related to Windows or other Microsoft products (Windows Server, Office, Microsoft 365, etc.).


  1. Ben
    March 17, 2021 @ 5:38 pm

    This solution still works with Windows 10. Thanks a bunch!


  2. Henning
    August 26, 2019 @ 8:28 pm

    I had to delete the same UpperFilters for the key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E978-E325-11CE-BFC1-08002BE10318} as well (used for Ports (COM & LPT)). But now everything seems to be in order.
    Many thanks for the guidance!


  3. Alex
    February 9, 2019 @ 11:45 pm

    Saved my bacon thanks


  4. mitra
    January 29, 2019 @ 6:13 pm

    omg…..!!!!!!!!!!!! it worked!!!! thank u sooooooooooooooo much bro u made my day :)


  5. Alastair
    January 3, 2019 @ 6:48 am

    I can't believe this worked, two days of no progress and this worked.

    donated $5


  6. Ehsan Shah
    December 31, 2018 @ 1:19 am

    love you yar you save my life.


  7. Carlos
    December 13, 2018 @ 5:28 pm

    Thank you. Solved the issue for me on a Windows 10 machine.


  8. shawn Escobar
    December 6, 2018 @ 8:32 pm

    Yep this was the fix that worked for me more than 4 years later 12/6/18. Thanks!


  9. Martin Miglio
    October 18, 2018 @ 3:21 am

    Totally Works. Good Job. I think it might have something to do with AISuite II, but I cannot confirm.


  10. David Hanuka
    September 24, 2018 @ 9:52 pm

    WOW!!! it worked perfectly.
    I am looking for a solution for couple days now. Finaly a solution that works!!!
    David Hanuka


  11. Mauricio Pérez
    September 20, 2018 @ 6:54 pm

    Thank you very much, you have saved me.


  12. matt
    August 29, 2018 @ 11:38 pm

    THANK YOU!!!


  13. John
    August 13, 2018 @ 3:40 pm

    Worked after step 1


  14. Minh Kính
    August 13, 2018 @ 5:48 am

    thanks vere much, I love you


  15. Fadhil Marhaban
    June 9, 2018 @ 5:11 pm

    Thank you very much..much.. my good fella, Mr. Constantino.

    For almost 3 weeks I did all of any instructions, reset Windows, uninstalled some of my favorite software, installed many tools I got from Microsoft, Intel, Asus help sites (Asus is my laptop), and not to mentioned many others links just to fixed the corrupted drivers of USB controllers. None of their solutions could solve my problem until I found your website.

    BRAVO, three-thumbs for you Mr. Constantino only your solution solved my problem.
    Alhamdulillah, now all devices of my Asus laptop working good.

    Thanks a lot.


  16. John Green
    May 19, 2018 @ 3:57 pm

    This restored USB function on my Windows 10 v1803 system.


  17. Seth
    January 17, 2018 @ 5:07 am

    This just worked for me after banging my head against a wall for 90 min. Thank you!


  18. Echa
    November 29, 2017 @ 8:53 am

    Holy shit! It's working!
    Thanks so much! Now I can backup all my data n clean install windows.


  19. Kralle
    October 18, 2017 @ 6:45 pm

    Thank You!!!

    It's works om Windows 10, with huawei 4G usbmodem, that not show'n ok in device manager


  20. shadi
    September 13, 2017 @ 8:08 pm

    Thank you, the solution has been successful


  21. Akshata
    July 27, 2017 @ 6:44 am

    Thank you so much


  22. Cory
    July 6, 2017 @ 10:05 am

    Thank you sooooo much!!!!! Been at this for hours and your fix worked!!!!!


  23. DPY
    March 31, 2017 @ 4:48 am

    Thank you much!!


  24. SteveS
    March 25, 2017 @ 2:58 am

    Thank you. Thank you. This worked. After spending 2 days researching and trying a bunch of other recommendations. All USB ports stopped working after upgrading Win 7 to Win 10 and a system update. All of the USB items in device manager had a yellow bang.


  25. mwk
    January 4, 2017 @ 8:06 pm

    Thanks! All my USB ports died after I did a failed upgrade from Windows 7 to Windows 10, this fixed them. I had been close to breaking down and buying a new computer


  26. George Kirk
    January 1, 2017 @ 8:04 pm

    Thanks a lot this really helped, thought i was going to have to buy a new laptop before i found this


  27. Mohammed Hussen
    April 28, 2015 @ 11:26 am

    I have solved my problem which was troubling me with your tips, thanks a lot dude !


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