Windows 10: .NET Framework installation utility, AddInUtil.exe Viruses?

Discus and support .NET Framework installation utility, AddInUtil.exe Viruses? in AntiVirus, Firewalls and System Security to solve the problem; .NET Framework installation utility is using 100% GPU when idel, AddInUtil.exe is using 100% CPU when idel tooI have done tons of virus checks and... Discussion in 'AntiVirus, Firewalls and System Security' started by Ryan York - ryanlloyd, Dec 6, 2021.

  1. .NET Framework installation utility, AddInUtil.exe Viruses?


    .NET Framework installation utility is using 100% GPU when idel, AddInUtil.exe is using 100% CPU when idel tooI have done tons of virus checks and can't find anything that helps. Anybody got an Idea? This issue has been persistent for several days now

    :)
     
    Ryan York - ryanlloyd, Dec 6, 2021
    #1

  2. Microsoft .NET Framework, Unhandled exception

    Hi,

    Welcome to Microsoft Community.

    I suggest you to un-check and recheck .Net framework 3.5 and .Net framework 4.6 advance series from Windows features.

    Try the following steps:

    • Press Windows + R keys to open Run command.
    • Type Appwiz.cpl and select "turn Windows feature on or off" from the left
    • Uncheck .Net framework 3.5 and .Net framework 4.6 advance series.
    • Restart the computer
    • Repeat step 1 and 2 and check .Net framework 3.5 and .Net framework 4.6 advance series.
    • Restart the computer.
    Regards,
     
    Waseemulla S, Dec 6, 2021
    #2
  3. .NET Framework 3.5 installation error: 0x800736B3

    Hi,

    Welcome to Microsoft Community and thank you for your interest in Windows 10.

    I suggest you to follow the below steps to check whether the .NET Framework 3.5 has been installed or not.

    • Press Windows+X and then select programs and features.
    • On the left hand side click on the option “turn windows features on or off”.
    • Check whether the “.NET Framework 3.5” has been checked or not.
    • If not check then I suggest you to check it and then install it.
    Hope this information was helpful and do let us know if you need further assistance. We will be glad to assist.
     
    Karthicka_R, Dec 6, 2021
    #3
  4. .NET Framework installation utility, AddInUtil.exe Viruses?

    .net framework 3.5 sp1 not installing

    All right.. this is the funny a$$ part.. So.. TRT, I did what you said.. then did something I should of did WAY before starting this.. Reg cleaner.. lol..


    So.. my steps..


    • Uninstall everything to which it's just .net framework 2.0
    • Restart
    • Install 3.5 sp1 via *Stick Out Tongue .NET Framework installation utility, AddInUtil.exe Viruses? :program and Features: Turn off....
    • Restart
    • Reg clean threw CCleaner 4 times, every time had a issue.
    • Verify that all .net up to 3.5 sp1 was installed and been verified to be working
    • went to website
    • saw a action to "run test" to see if system is compatible.
    • Allowed Firewall/ windows defender to run said program (says it's a low grade trojan
    • Went to issued program and opened..
    • Worked..

    lol... oh, how stupid I was.. I all ways run reg cleaner on new os's... My mind is losing myself... *Roll :roll:
     
    Cold Storm, Dec 6, 2021
    #4
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.NET Framework installation utility, AddInUtil.exe Viruses?

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