Windows 10 Netextender the Installation Process Has Not Been Completed

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I usually download NetExtender onto Windows 7 but I have a few users with Windows 10 that need it. When I open it after download I get the error " A damage version NetExtender was dectected on your computer, please reinstall to fix the problem!" I have reinstalled but nothing helped. I received this error before and just downloaded older versions of NetExtender. However, now it is making me upgrade before using. The SonicWall site says the issue is  "Driver signing verification in windows 10 is causing the 8.6 net extender version to show as damaged." How can I get around that issue?



18 Replies

michellep3

Where within the mobile app is one able to set the domain?   Only gives hostname but no other options.  My SonicWALL netextender had been working for months, and now I get the same error as shown in the original message.  Customer to whom we connect does not permit another VPN client but willing to give this mobile app a try.

dbeato
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Oct 15, 2017 at 18:13 UTC

michellep3 wrote:

Where within the mobile app is one able to set the domain?   Only gives hostname but no other options.  My SonicWALL netextender had been working for months, and now I get the same error as shown in the original message.  Customer to whom we connect does not permit another VPN client but willing to give this mobile app a try.

It doesn't require to have a domain it just connects.

joebobhankey

The problem appears to be with driver signing - SonicWall's current driver isn't recognized as a verified/signed driver by Windows 10, so the installer doesn't install the driver during setup.

The way I got it to work without having to use the mobile app is that I found a Dell-driver version of the SSL VPN client that installed the Dell verified/signed driver in Windows 10 successfully (I used a version of the SonicWall NetExtender client with a digital signature date of 5-26-2017). After installation of this version, you can use and connect the NetExtender client without the "Damaged Install" error. If your SonicWall device has newer firmware, you'll immediately be prompted to upgrade the client. However, upgrading the client doesn't appear to replace the Dell signed driver, at least as of this post on 10/21/2017, and the client should still connect properly.


joebobhankey

The problem appears to be with driver signing - SonicWall's current driver isn't recognized as a verified/signed driver by Windows 10.

The way I got it to work without having to use the mobile app is that I found a Dell-driver version of the SSL VPN client that installed the Dell verified/signed driver in Windows 10 successfully (I used a version of the SonicWall NetExtender client with a build date in 7/2017).  After installation of this version, you can use and connect the NetExtender client without the "Damaged Install" error.  If your SonicWall device has newer firmware, you'll immediately be prompted to upgrade the client.  However, upgrading the client doesn't appear to replace the Dell signed driver, at least as of this post on 10/21/2017, and the client should still connect properly.

theotol

Hello @joebobhankey,

Can you please tell me where you downloaded the Dell driver from? I have a feeling that this might solve this issue on my machine as well.

Hope to hear from you!

Best regards,

Theo

theotol

After googling and trying numerous things I finally have a workaround that works. Maybe it works for others as well.

I uninstalled version 8.6 and downloaded/installed version 7.0.203 instead. This version works fine (for me at least) and does not give me the "damaged version" message.

Best regards,

Theo

dbeato
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Oct 30, 2017 at 12:25 UTC

theotol wrote:

After googling and trying numerous things I finally have a workaround that works. Maybe it works for others as well.

I uninstalled version 8.6 and downloaded/installed version 7.0.203 instead. This version works fine (for me at least) and does not give me the "damaged version" message.

Best regards,

Theo

MaybeSid Phiilipswill benefits from this.

jlorent

Hello,

In my case the Windows Store's  Sonicwall SSLVPN NetExtender Mobile app doesn't work, so i tried to fix the NetExtender drivers's problem.

I found a fix by myself, i extracted NetExtender's drivers from another Windows 10 x64 computer who work perfectly with an older version of the NetExtender.

Then i installed those drivers manually on the new computer.

Here the extracted drivers  https://mega.nz/#!EpcREJgK!YyOQokitxbsEw_G1rGLhhVAOzMyodpyViXkAKj1uIhI

johnnyblaze

jlorent wrote:

Hello,

In my case the Windows Store's  Sonicwall SSLVPN NetExtender Mobile app doesn't work, so i tried to fix the NetExtender drivers's problem.

I found a fix by myself, i extracted NetExtender's drivers from another Windows 10 x64 computer who work perfectly with an older version of the NetExtender.

Then i installed those drivers manually on the new computer.

Here the extracted drivers  https://mega.nz/#!EpcREJgK!YyOQokitxbsEw_G1rGLhhVAOzMyodpyViXkAKj1uIhI

I'm having this same issue but on a Windows 7 machine. Getting the error message, "a damaged version netextender was detected on your computer ..." It had worked fine before this, never had to update or anything. Now all of a sudden it starts throwing this error message out of the blue. So far I've  uninstalled the client, deleted the path: C:\Program Files (x86)\SonicWall\SSL-VPN\NetExtender and reinstalled, still no luck. I've installed versions 8.0.241, 7.0.203, and 5.5.156, still no luck. When I attempt to update the drivers and select choose from the list, I can confirm the drivers are digitally signed. I'm not sure what went wrong. One thing though, right after the install sometimes I get a screen prompting for old password, new password for like 3 secs before it disappears and the error pops up.

sethwilpan

Thanks. Installing that driver did the trick for me.

user938512

In Japanese??

THERE WAS NO PAGE YOU WERE LOOKING FOR

The site returned a 404 error. Please confirm that there is no input mistake and search the page again or return to the homepage.


dbeato
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Mar 10, 2018 at 11:06 UTC

user938512 wrote:

In Japanese??

THERE WAS NO PAGE YOU WERE LOOKING FOR

The site returned a 404 error. Please confirm that there is no input mistake and search the page again or return to the homepage.


The updated Link is below:
https://www.sonicwall.com/en-us/support/knowledge-base/170502784131072

dbeato
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Mar 10, 2018 at 11:06 UTC

user938512 wrote:

In Japanese??

THERE WAS NO PAGE YOU WERE LOOKING FOR

The site returned a 404 error. Please confirm that there is no input mistake and search the page again or return to the homepage.


Welcome to the community as well!

ron francis

In URL, replace:  ja-jp with en-us and it will work.

jacobcaramanna2
I know that this is an old post. With that being said,

windows 10 ran into the same issue and found that the latest maintenance release 8.6.265 fixes the signed driver issue. With that being said, as soon as you install the application reboot the machine. After that it will allow you to use the software without the error. Download site for latest release is located at:

https://www.mysonicwall.com/muir/freedownloads

jdgregson
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Jun 24, 2019 at 20:36 UTC

I just fought this for a couple of hours. Even after deleting the new driver and installing the oldest driver I could find the driver would not load, and I was getting an error like "windows cannot load the device driver for this hardware" (Code 39). This was because I had enabled Core Isolation/Memory Integrity. Disable Memory Integrity and it may work.

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Windows 10 Netextender the Installation Process Has Not Been Completed

Source: https://community.spiceworks.com/topic/2036981-netextender-error-damaged-version-on-windows-10

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