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Solved: Internet connection lost when avast internet security uninstalled

Discussion in 'Networking' started by AndrewDC, Apr 23, 2012.

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  1. AndrewDC

    AndrewDC Thread Starter

    Joined:
    Nov 27, 2010
    Messages:
    38
    I am running Windows 7 - 64 bit on my laptop. I currently have Avast Internet Security installed and I have tried to uninstall the Avast software as I wish to change my antivirus software. I have tried uninstalling in safe mode using the Avast Clear utility. Unfortunately after using this utility the Avast program still remains on my hard drive in Program Files which I then have to delete manually. After doing so and restarting my computer I have no internet connection and the only way I can restore my internet connection is by copying the Avast program back into my Program Files. This is very frustrating and annoying and I would really appreciate it if someone could help me to resolve this problem so that I can remove Avast without losing my internet connection.
     
  2. etaf

    etaf Moderator

    Joined:
    Oct 2, 2003
    Messages:
    64,876
    First Name:
    Wayne
    moved to networking forum

    This is the program you are using
    Avast
    http://files.avast.com/files/eng/aswclear.exe
    correct

    How to uninstall avast and also use the removal utility here
    http://support.avast.com/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=504

    Have you also tried removing the program via control panel ?

    do you mean to just COPY or re-install ?

    would you check the device manager and also provide an ipconfig /all when you have the problem


    ------------------------------------------------------------------------
    ipconfig /all
    If you cannot access the internet with this PC, then you will need to paste the results into something like notepad and then copy onto a machine that can access the internet and post results here

    We would like to see the results from ipconfig /all post back the results in a reply here

    Hold the Windows key and press R, then type CMD then press Enter to open a command prompt box (A new dialogue box - black with white font, will appear on screen ):

    In the command prompt window that opens, type the following command:

    Note that there is a space before the /ALL, but there is NOT a space after the / in the following command.

    ipconfig /all > network.txt & network.txt

    It will export the results to notepad and then automatically open notepad.

    Now all you need to do is copy and paste those results to a reply here
    to do that:
    From the notepad menu - choose Edit - Select all
    all the text will be highlighted
    Next
    From the notepad menu - choose Edit - Copy
    Now go back to the forum - reply and then right click in the reply box and paste
    ------------------------------------------------------------------------

    ------------------------------------------------------------------------
    Device Manager
    Post back the results in device manager
    If you cannot access the internet with this PC, then you will need to copy the program across to the faulty PC
    Save the file to a USB flash drive or other removable media. Plug it into the working computer with internet access and copy the file and paste here.

    windows key and pause Key should open to allow device manager to be seen on laptops may need to use windows key + FN key + Pause Key
    if not then

    Start > control Panel {Vista set to classic view}> system > {Vista, device manager on left hand side} {XP hardware Tab, device manager button} >
    windows 7
    start > control panel> System and Security> Device Manager

    network adaptors, click on the + > post back the devices listed there
    are there any ! ? or X


    post a screen shot of the device manager - network adapters

    To post a screen shot of the active window, hold the Alt key and press the PrtScn key. Open the Windows PAINT application and Paste the screen shot. You can then use PAINT to trim to suit, and save it as a JPG format file.
    To upload it to the forum, open the full reply window and use the Manage Attachments button to upload it here
    Full details are here http://library.techguy.org/wiki/TSG_Posting_a_Screenshot
    ------------------------------------------------------------------------
     
  3. AndrewDC

    AndrewDC Thread Starter

    Joined:
    Nov 27, 2010
    Messages:
    38
    Thank you for your prompt and informative response. I have disabled Avast from startup and installed Microsoft Security Essential which is working well and is not conflicting with Avast which has not been uninstalled but is inactive. As there are no problems I will leave things as they are and not worry about uninstalling Avast. Thanks again your help and time.
     
  4. etaf

    etaf Moderator

    Joined:
    Oct 2, 2003
    Messages:
    64,876
    First Name:
    Wayne
    so long as avast is not set to run at all - not in any startups or linked to scan email - you should be OK
     
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