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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. Howard
    November 25, 2023 @ 10:29 pm

    Thank you so much. Temporarily changed my DNS back to DHCP to validate the software, and then returned it back to what it was. Can't understand 1) Why it's got to use DHCP, and 2) if it has to, then why can't ANY Microsoft agents give this simple bit of advice rather than resetting the network, reinstalling, etc, etc. Loads of people change their adapter settings for various reasons.


  2. Anshuman
    April 18, 2023 @ 11:03 am

    I had been strugguling for long time to resolve this issue. This is the page, which solved my problems. I only did steps 4 and 5 as for me, only Microsoft office activation was not coming.
    Great help


  3. esdasdoaieuaheex
    January 20, 2023 @ 1:52 pm

    i literaly love you so much o h ymd sefdgo dddog jie floe you


  4. Michael D
    October 25, 2022 @ 4:36 am

    I thought I had fixed the problem and it came back. I did more troubleshooting and couldn't find out what was causing it. So through the company where I purchased my anti virus software I added a VPN for a small fee. And now the no Internet message is gone. I also had an issue with a couple of websites including a hospital website that contains a lot of medical info and test results that are important to me. And now I can access those websites. I kept getting a message that my connection was not secure. Anybody who tried all of the suggestions and nothing worked needs to try the VPN. I am almost 100% certain that will work. It might cost you a little money but there are some free ones out there if you check the web.


  5. Michael D
    October 23, 2022 @ 6:44 pm

    I tried all of the suggestions but what finally appeared to work for me was uninstalling and reinstalling the network adapter.


  6. Ted
    May 18, 2022 @ 10:04 am

    Thank you Step 5. Reset TCP/IP Protocol & WINSOCK Catalog. did it for me


  7. Jose
    December 26, 2021 @ 9:12 pm

    Thank you very much for the solution. The issue in my case was solved with step 3 reset the "Winsock"


    November 23, 2021 @ 3:40 pm

    Thank you very much! For me it was the TCP/IP protocol that was corrupted (step 5)


  9. JohnG
    November 14, 2021 @ 8:47 pm

    Slightly different DNS problem for me. When I checked Mother-in-Law's DNS settings, at some time in the past I'd set her to Choose DNS Servers:

    Changed it back to DHCP, so it's just using the router and that fixed it.


  10. paul
    April 7, 2021 @ 11:31 pm

    Thankyou this worked a treat after trying many other


  11. Elizabeth L
    January 29, 2021 @ 1:09 am

    Thank you so much for this. I've been wrestling with this problem for three days and no one seemed to have any answers beyond what I had already tried. I thought I was looking at a full Windows reset. Your last suggestion finally fixed it for me.


  12. Jonas
    August 17, 2020 @ 2:45 am

    I paused my VPN and it worked.


  13. Ron
    February 27, 2020 @ 10:30 am

    Thank you so much. Suggestion #2 fixed the problem for me after weeks of trying other solutions.


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