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Windows 7: Browsers cease functioning except for IE, but there is no virus.

15 Mar 2018   #1
stellar41

Windows 7 Home 64bit
 
 
Browsers cease functioning except for IE, but there is no virus.

Hi all,
today I had the following problems.
Firefox, my normal browser would not start. Task Manager showed it as a process, but no window opened.
So I tried Chrome. The window opened but did not connect to the net.
IE functioned perfectly.
After some experimentation, it seemed that the only connection I could make was via IE. I could download files via IE, but AV programs could not update definitions files, and application installers would not work.
I booted from 2 different AV rescue disks (Comodo and Kaspersky) but neither found anything suspicious.
So this seems to be a networking problem.
Finally, instead of connected via my wifi, I tethered from my phone via usb but with the same problems.
Can someone suggest where I might look to find the issue
Thanks


My System SpecsSystem Spec
.
15 Mar 2018   #2
samuria

win 8 32 bit
 
 

Welcome to the forum. Open a cmd prompt type

ipconfig/all

post results.Check in IE to see if a proxy is set
My System SpecsSystem Spec
16 Mar 2018   #3
stellar41

Windows 7 Home 64bit
 
 

Thanks.

OK, here is ipconfig /all

Windows IP Configuration
Host Name . . . . . . . . . . . . : G-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : fritz.box

Wireless LAN adapter Wireless Network Connection 5:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter #3
Physical Address. . . . . . . . . : D2-6E-0E-AE-92-07
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wireless Network Connection 3:
Connection-specific DNS Suffix . : fritz.box
Description . . . . . . . . . . . : TP-LINK 300Mbps Wireless N Adapter
Physical Address. . . . . . . . . : D4-6E-0E-AE-92-07
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::4deb:2770:4b10:781%16(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.178.189(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Friday, March 16, 2018 8:32:09 AM
Lease Expires . . . . . . . . . . : Monday, March 26, 2018 8:32:14 AM
Default Gateway . . . . . . . . . : 192.168.178.1
DHCP Server . . . . . . . . . . . : 192.168.178.1
DHCPv6 IAID . . . . . . . . . . . : 617901582
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1B-C5-50-7B-D0-50-99-33-E9-3C

DNS Servers . . . . . . . . . . . : 192.168.178.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Local Area Connection 2:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : TAP-Windows Adapter V9
Physical Address. . . . . . . . . : 00-FF-45-A1-FF-95
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Ethernet adapter Local Area Connection:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
Physical Address. . . . . . . . . : D0-50-99-33-E9-3C
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.fritz.box:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : fritz.box
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{D7F7E841-8F63-4FE0-AE98-ECFAE32754AF}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{45A1FF95-F027-48FF-937B-80C47634F83E}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #4
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{3BBD9024-8C13-49CA-AAF6-6D722A163019}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #5
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes


As for the proxy settings, I check LAN settings and the Proxy box was unchecked, so no proxy
My System SpecsSystem Spec
.

16 Mar 2018   #4
stellar41

Windows 7 Home 64bit
 
 

And FYI, this for ping

C:\Users\Administrator>ping 127.0.0.1
Pinging 127.0.0.1 with 32 bytes of data:
Reply from 127.0.0.1: bytes=32 time=7ms TTL=128
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128

Ping statistics for 127.0.0.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 7ms, Average = 1ms


C:\Users\Administrator>ping 8.8.8.8
Pinging 8.8.8.8 with 32 bytes of data:
Reply from 8.8.8.8: bytes=32 time=39ms TTL=59
Reply from 8.8.8.8: bytes=32 time=33ms TTL=59
Reply from 8.8.8.8: bytes=32 time=33ms TTL=59
Reply from 8.8.8.8: bytes=32 time=32ms TTL=59

Ping statistics for 8.8.8.8:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 32ms, Maximum = 39ms, Average = 34ms


C:\Users\Administrator>ping google.com
Pinging google.com [216.58.213.206] with 32 bytes of data:
Reply from 216.58.213.206: bytes=32 time=33ms TTL=54
Reply from 216.58.213.206: bytes=32 time=31ms TTL=54
Reply from 216.58.213.206: bytes=32 time=31ms TTL=54
Reply from 216.58.213.206: bytes=32 time=31ms TTL=54

Ping statistics for 216.58.213.206:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 31ms, Maximum = 33ms, Average = 31ms

C:\Users\Administrator>
My System SpecsSystem Spec
16 Mar 2018   #5
samuria

win 8 32 bit
 
 

Set your dns to 208.67.220.220 & 208.67.222.222

from a cmd prompt type

ping adobe.com

post results. Have you added or removed and Security/anti virus
My System SpecsSystem Spec
Reply

 Browsers cease functioning except for IE, but there is no virus.




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