As I said once before and I see it everyday at work. Some machines came with 8.0 on them and people went to the store and got the 8.1 update and either it did a full fubar on the machine or alot of things no longer worked. This is because drivers needed
that worked on 8.0 didnt work on 8.1 and the manufactor did release any 8.1 drivers yet (but most have by now). This also included drivers for network cards. The main thing I saw for no longer being able to get onto the internet again. Some manufacturers gave
you directions on how to install new drivers prior to 8.1 upgrade and some even had a section to check if your machine has been approved for the upgrade. If everything was ok to begin with you would of gotten the upgrade from Microsoft directly in the monthly
releases. But this seems to be a past issue which just needed some time to work it through all the different systems out there.
I've also seen alot of times were IE would just corrupt itself. No way no how was it getting on the internet again even though Firefox and Chrome had no problem. MSFixit did not work, resetting all the inet settings would not even help. The only recourse
was to roll back IE to an earlier release by removing the the update for the newer version. No you cant just remove and then re-install IE, its all part of the system and you have to roll back. And then after everything was fine, even another update to the
newer version would still keep working.
The following commands work for me in most cases...
From the DOS command prompt, running under administrator permissions...
Type in... Most cases these will work for all browsers and solve your problem...
netsh winsock reset
netsh int ipv4 reset
ipconfig /flushdns
Additional things to try...
netsh advfirewall reset
netsh interface ipv4 reset
Be careful on regedit and use only if you feel comfy doing it.
On Win8 only if above commands fail...
Open Regedit, look for
HKLM\SYSTEM\CurrentControlSet\Control\Nsi\
{eb004a00-9b1a-11d4-9123-0050047759bc}\26
Right click on "26" key, choose "Permissions", add a check mark
on "Full control" for the everyone group,
now repeat the netsh command.
Also on Win 8.1
Powershell and type in
Set-NetIPInterface
ref at http://technet.microsoft.com/en-us/library/hh826125.aspx
Detailed Description of above...
The Set-NetIPInterface cmdlet modifies an IP interface, including Dynamic Host Configuration Protocol (DHCP), IPv6 neighbor discovery settings, router settings and Wake On LAN (WOL) settings.
If you do not specify any parameters, this cmdlet sets all of the IP interface properties on the computer, including virtual interfaces and loop back interfaces.
Its always good to have at least 2 browsers. IE you will always have. The others are Chrome and or Firefox. I use Firefox as my main, just because of the add ons that can be gotten,. Both have add ons to prevent pop ups, and I never see any pop ups or adds.
Just getting the right ones to use is the question. I use NoScript and ABP. Using the default Block Pop Ups' settings in each browser will not work 100% as they have ways around this to fool this setting. If you continue to get pop ups then ya have yourself
some malware that needs to be removed. Malware can disrupt your settings.
Another thing I run across more than once is when a person tries changing their AV software by removing the old then installing the new. Not all removals work the same and dont always clean up very well. Some settings are left behind that can block or hamper
the internet settings when mixed with the new. You may have to go to that companies web site of the older one and look for a clean up utility to fully remove it and then re-install the new stuff. I've seen this on most of the free AV software out there and
even so on Nortons, McAfee, etc. the paid ones. They also have their own removal tools. It just happens... :(
One last thing if things are still failing...
Open the command prompt again, under admin permissions and run CFS /scannow. This will check all your system files for corruption and either fix them or tell you there is some unfixable corruption which will require further steps. If you find unfixable
then a restore of the OS is the easiest way out of this problem after you backup your important stuff. Dont play games trying to fix those problems. You'll be up and running with all updates and all before you can fix the corruption.