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PostPosted: Sun May 29, 2016 7:47 am 

Joined: Sun May 29, 2016 7:22 am
Posts: 3
**Before I post this, I've read many topics regarding code 2 problem. But none of them helped me.

Could not connect - Error code 2 "Protocol Error occured"
This has been happening since April 2016 on Windows 10 Home 64bit
The problem occurs in every country I connect my VPN to.

VPN Version : vpngate-client-2016.05.29-build-9613.135602.zip

Things I've tried :
1. Some websites told that there's a problem with Date/Time but didn't give explanation on how to do with it.
So I checked "Regional and Date" in Windows 10 control panel. Update my BIOS and check if my system date is incorrect.
Set "Sync date with Microsoft server"
None of above solve the problem. I still got "Error code 2 : Protocol error occurred"

2. Check my Bitdefender Internet Security's firewall. There's an entry "Soft Ether VPN x64" something like that on the list and is set to "allowed"
I did even uninstall Bitdefender off my PC I still got the problem "Error code 2 : Protocol error occurred"
(I did the same for Kaspersky Internet Security and still got the problem too)

3. I have another PC running Windows 7 so I went on it and check. It **can connect to VPN just fine.**

4. I used some backup software to restore my Windows 7 back to my C: drive and try. Now I've been able to connect to VPN just fine until this day.

5. My dad has a Notebook running Windows 10 Home 64bit. So I've tried connecting VPN on it. And the same problem immediately occurred "Error code 2 : Protocol error occurred". (The same version off-course, occurs as soon as the installation process was finished)

Summary : VPN connection is okay on Windows 7 Home x64, no problem at all.
But with Windows 10 I can't use VPN to connect to anywhere. It says "Error code 2 : protocol error occurred". No matter how I try to fix this, it's still happening.

I have no idea what else to try.


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PostPosted: Sun May 29, 2016 12:55 pm 

Joined: Sun May 29, 2016 7:22 am
Posts: 3
Additional info - In case you think Antivirus software is suspicious :

Windows 10 + Bitdefender Internet Security 2016 : Error code 2 : protocol error occurred.
Windows 10 + Kaspersky Internet Security 2016 : Error code 2 : protocol error occurred.
Windows 10 without any antivirus : Error code 2 : protocol error occurred.

Windows 7 + Kaspersky Internet Security 2016 : No problem
Windows 7 with an expired Kaspersky Antivirus 2015 : No problem

Tested date : May 2016 period


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PostPosted: Wed Mar 29, 2017 6:01 pm 

Joined: Thu Mar 23, 2017 7:10 am
Posts: 12
Please refer to the thread
http://www.vpnusers.com/viewtopic.php?f ... 534#p20534

I have been using Windows 7 and it did not solve the problem at all.
I now gave up on SoftEther VPN and am using Open VPN without a single problem.
Funny, your Windows 7 worked, but not mine!


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