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Recent Upgrade to Windows 10 and Secure Connection Failed on Udemy.com


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#1 bomurf

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Posted 06 December 2015 - 06:28 AM

Hi,

 

I can't figure this one out. I've upgraded my Windows 8.1 machine at to Windows 10 about 4 days ago. I have a few Virtual Box machines running on the host running Windows 7 and other OS'. I mainly use the Windows 7 Virtual Machine for my internet usage. Prior to the upgrade, I had no issue whatsoever with accessing Udemy.com. After the upgrade, I went to Udemy to study using Firefox and got a "Secure Connection Failed" message. I then tried via Chrome and received a "No Data Received" message. I tried IE and after the Login page on Udemy, it wouldn't move to the next page, essentially just in a "thinking" state.

 

I tried on my host machine and received the same messages. I tried on my Mac laptop (wireless), using Firefox, and it was fine. I tried on my Iphone, using Safari, fine (all on my home network). The next day at work, I tried on my PC running Windows 8.1 and using Firefox, no problem. I upgraded to Windows 10 on my work PC and no issue at all accessing Udemy.

 

After reaching out to Udemy, their Support engineers, said it was an issue on my side and didn't have an answer other than:

 

ipconfig /release
ipconfig /all
ipconfig /flushdns
ipconfig /renew

netsh int ip set dns
netsh winsock reset

Now Restart your PC.

 

This didn't fix it either.

 

Does anyone have any ideas? Attached are screenshots of the JavaScript Console on the Widows 10 and Windows 7 VM as I'm trying to access the Udemy site.

 

Thanks in advance!

Attached Files



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#2 DefaultGateway

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Posted 06 December 2015 - 06:40 AM

Press the "Windows Button" and "R" simultaneously.

Typ in cmd

 

A new window will open.

Typ in cd Desktop

 

Then typ in ipconfig /all > ipconfig.txt

Go to your Desktop and open the file "ipconfig.txt".

Copy and paste the content of that file here.

 

1. You may wish to omit the "Host Name" part, because of your privacy!! (in case your hostname includes real names of you or someone else)

2. If you do already have a file called "ipconfig.txt" on the Desktop, then you may wish to move that file somewhere else, otherwise it is being replaced.

 



#3 bomurf

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Posted 07 December 2015 - 04:28 AM

hi! thanks for looking into this...here is my ipconfig.txt:

 

Windows IP Configuration

   Host Name . . . . . . . . . . . . :
   Primary Dns Suffix  . . . . . . . :
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : flets-east.jp
                                       iptvf.jp

Ethernet adapter イーサネット:

   Connection-specific DNS Suffix  . : flets-east.jp
   Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
   Physical Address. . . . . . . . . : AC-22-0B-8C-A1-A2
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   IPv6 Address. . . . . . . . . . . : 2408:210:94c3:4300:31ac:369f:7e78:9f37(Preferred)
   Temporary IPv6 Address. . . . . . : 2408:210:94c3:4300:655c:3101:b3e0:198(Preferred)
   Temporary IPv6 Address. . . . . . : 2408:210:94c3:4300:b49f:5d01:e3f:5b30(Deprecated)
   Temporary IPv6 Address. . . . . . : 2408:210:94c3:4300:cc89:4de9:abad:675e(Deprecated)
   Temporary IPv6 Address. . . . . . : 2408:210:94c3:4300:d1b1:227a:4e86:1b06(Deprecated)
   Link-local IPv6 Address . . . . . : fe80::31ac:369f:7e78:9f37%5(Preferred)
   IPv4 Address. . . . . . . . . . . : 192.168.2.111(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Lease Obtained. . . . . . . . . . : Friday, December 4, 2015 3:31:27 AM
   Lease Expires . . . . . . . . . . : Monday, December 1, 2025 3:31:33 AM
   Default Gateway . . . . . . . . . : fe80::10ff:fe02:2088%5
                                       192.168.2.1
   DHCP Server . . . . . . . . . . . : 192.168.2.1
   DHCPv6 IAID . . . . . . . . . . . : 257991756
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-3F-08-1F-AC-22-0B-8C-A1-A2
   DNS Servers . . . . . . . . . . . : 2404:1a8:7f01:b::3
                                       2404:1a8:7f01:a::3
                                       192.168.2.1
   NetBIOS over Tcpip. . . . . . . . : Enabled
   Connection-specific DNS Suffix Search List :
                                       flets-east.jp
                                       iptvf.jp

Ethernet adapter VirtualBox Host-Only Network:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : VirtualBox Host-Only Ethernet Adapter
   Physical Address. . . . . . . . . : 0A-00-27-00-00-00
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::986c:33c9:2e30:d925%2(Preferred)
   IPv4 Address. . . . . . . . . . . : 192.168.56.1(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . :
   DHCPv6 IAID . . . . . . . . . . . : 285736999
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-3F-08-1F-AC-22-0B-8C-A1-A2
   DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
                                       fec0:0:0:ffff::2%1
                                       fec0:0:0:ffff::3%1
   NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter Teredo Tunneling Pseudo-Interface:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   IPv6 Address. . . . . . . . . . . : 2001:0:5ef5:79fd:1465:365d:c4aa:6ddc(Preferred)
   Link-local IPv6 Address . . . . . : fe80::1465:365d:c4aa:6ddc%3(Preferred)
   Default Gateway . . . . . . . . . :
   DHCPv6 IAID . . . . . . . . . . . : 184549376
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-3F-08-1F-AC-22-0B-8C-A1-A2
   NetBIOS over Tcpip. . . . . . . . : Disabled

Tunnel adapter isatap.{993642C1-D57D-41E7-87FB-C08900603EBA}:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . : flets-east.jp
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{02EE89CE-2598-4044-A165-31F724807A1B}:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
 



#4 DefaultGateway

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Posted 07 December 2015 - 04:39 AM

Can you ping 8.8.8.8 and 127.0.0.1 ?

And can you ping google.com ?



#5 bomurf

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Posted 07 December 2015 - 04:57 AM

Yes, Google, Google ip and loopback are all pingable.

#6 DefaultGateway

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Posted 07 December 2015 - 05:05 AM

Can you actually visit google.com?

Is your Firewall blocking HTTPS? (HTTPS uses port 443)



#7 bomurf

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Posted 07 December 2015 - 05:13 AM

visiting google ->no problem...however, i literally just noticed the "run chrome in windows 8 version" option in chrome settings and now i can access udemy without issue. so strange!



#8 bomurf

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Posted 07 December 2015 - 05:21 AM

Just ran netstat -an and it's showing port 443 as "close_wait" for most of the "Foreign Addresses"...if that means anything


Edited by bomurf, 07 December 2015 - 05:35 AM.


#9 DefaultGateway

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Posted 07 December 2015 - 06:04 AM

Can you disable your Firewall and then see if you can access that site?

Then re-enable your Firewall.



#10 bomurf

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Posted 07 December 2015 - 06:25 AM

i disabled my firewall (domain, private and public profiles) and still couldn't access the site. i tried on my macbook (connected wirelessly) again just now had no issues.



#11 DefaultGateway

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Posted 07 December 2015 - 06:51 AM

Can you connect your Windows 10 machine wirelessly and then visit that site?

 

I don't see that you have Wireless / Wi-Fi according to your log of ipconfig /all .


Edited by DefaultGateway, 07 December 2015 - 06:54 AM.


#12 bomurf

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Posted 07 December 2015 - 07:08 AM

that is correct. i just bought a wifi adapter on amazon and i'll give it a go tomorrow when it arrives. will post the outcome shortly after. thanks for all the suggestions so far, i really appreciate the help!



#13 DefaultGateway

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Posted 07 December 2015 - 07:26 AM

Are you talking about a "Network Card" or a "Network Adapter (USB)"?

If you have bought a "Network Card" or "Network Adapter (USB), then you need to know if your Windows 10 machine has space for it, how to put it in the Windows 10 machine. And you need to know if it's suitable for your Windows 10 machine and if it can handle your Internet speed.

 

Unfortunately, i don't have any knowledge of this. Neither do I have knowledge about the "Network Adapter (USB)".

And still then, even if you could visit that website wirelessly, you must also can visit it wired / Ethernet Cable.

 

I have searched on Google, and this problem can also be caused by your Antivirus Software. Which one are you using?

You can try to reinstall your AV Software, and see if the problem is solved.


Edited by DefaultGateway, 07 December 2015 - 07:31 AM.


#14 bomurf

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Posted 20 December 2015 - 08:55 PM

Hi everyone,

 

Just wanted to say thanks for the help with this. I ended up using the MS reset option and went back to 8.1 and now everything works!






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