PWT2222

Emsisoft Blocking Network Player

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Hello: I've a Marantz Network Music player connected to my router & Hi-Fi & use this PC as a music server, it’s worked perfectly in the past with ESET & now with Emsisoft IS for months. Today I found the network player was unable to access this PC (I use this PC as music & video server) with Emsisoft ES on. After much faffing I saw that in the firewall my LAN was now an unknown network & my private network was public. This was not how it was, anyway I thought it may be a glitch so I restored a full (Reflect) image from 2 weeks ago.

For a few minutes my player picked up this PC & all looked OK, within minutes however it was blocked again. My firewall from within Emsisoft looked OK when I first restarted the PC from restoring now was unknown network etc as earlier. I came to a conclusion that Emsisoft was updating & causing the problem.

So I again restored a full image from September 01 & denied internet access & uninstalled Emsisoft. I reinstalled Emsisoft & had exactly the same firewall issues & I also noticed this included blocking my Sony Android TV which I play video from this PC on too.

Imaged back again, denied internet access uninstalled Emsisoft & installed ESET SS, the system works perfectly. I want to use Emsisoft but since the issue I’ve done an image with ESET & have experimented with Emsisoft & are unable to fix the firewall problem, unknown LAN etc. Nothing else on the system has changed, there was no problems a week or so ago, system images done 2 weeks ago work fine for a couple of minutes then the firewall gets messed up I can only assume by Emsisoft updating - Windows 10 home, up to date, though tried without this months patches this makes no differance, all items wired via Ethernet, . Any ideas please.

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Were you able to configure the network as Private, or did it keep changing back to Public?

 

Please note that we will be merging Emsisoft Internet Security with Emsisoft Anti-Malware on October 1st, at which point your installation of Emsisoft Internet Security will automatically be converted to Emsisoft Anti-Malware. There is more information at the following links:
http://blog.emsisoft.com/2017/08/10/merging-emsisoft-internet-security-with-emsisoft-anti-malware/
http://blog.emsisoft.com/2017/09/01/2017-8-windows-firewall-fortification/

There are also Frequently Asked Questions about the process at the following link:
https://helpdesk.emsisoft.com/Knowledgebase/Article/View/269/48/faq-about-emsisoft-internet-security

If you have any questions, then please let me know.

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No it quickly reverts back to public & shows network as unknown. If I uninstall Emsisoft at this stage the PC has no internet access whatsoever, attempts to alter the firewall or reset it fail. The only way I can get a working PC is to image back 2 weeks ago deny access to the PC & then uninstall Emsisoft & all is OK.  Thank you 

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@PWT2222 In your first post you said "that in the firewall my LAN was now an unknown network & my private network was public".   Can I ask how you manage to have both a LAN / unknown network and a 'private network' at the same time?   Does your PC have more than one ethernet socket in use at the same time?   

Does the software on the Marantz machine ever get updated? 

Does the Marantz machine, or maybe the router, serve IP addresses via DHCP, or do all the machines have static addresses?    I'm wondering - though I don't know if this makes sense - if somehow different machines on your network are trying to use completely different Ip addresses/subnets, and depending on which one boots first other machines thik they're on one net or another.  Or something.

Also, in EIS, do you have your PC set to decide if a new network is classed as private/public always, or takes that setting from elsewhere (ie from Windows).  I wonder how Windows sees that PC's connected network's status.

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OK, correction what was (used to show as) my LAN from within EIS is now shown as unknown network (can’t be good for network?). Just one Ethernet connected from this PC to the router. Yes the firmware is updated to the latest version, note though my Sony TV also lost access to this PC at the same time, and this also has the latest updates & this worked OK until a few days ago - And with ESET SS installed all works fine now.

The IP's are not set as static but tend to keep the IP they had when first connected, this too has shown no problems. EIS asked whether private or public I said private weeks or longer ago. Interestingly if I image back 2 weeks (EDIT: correction a few days) with EIS installed & deny internet access (before boot) all works OK until internet access is applied? What Emsisoft is doing to the program whether there is one update or several I have no idea but I can have a perfectly working network until I allow EIS to update? Maybe future updates will solve the problem?

I’m not sure what to do as each time Emsisoft updates the network from this PC ceases, the rest of the network is still OK. I can’t reset or change the firewall as it’s denied with EIS running & if I uninstall EIS I lose internet access totally & cannot reset or change any firewall settings. Maybe caused by Emsisoft firewall protection even though uninstalled?

I’m really not trying to be clever but it can’t be coincidental with EIS losing the firewall. I’m OK for now with ESET as have a spare licence but I would like EIS back on as I rather like it. I'm not the world’s greatest firewall faffer but I have (had) a pretty good reliable network running for around 20 years. Maybe the removal of the firewall has caused issues with my particular firewall setup I don't know. But for now I’m stuck with ESET, I think when the full changeover is done in October I will try again but if I’m on my own with this I will be surprised. Thanks for your input, more than happy to hear more!

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I recommend uninstalling EIS, restarting your computer twice, and then following the instructions below to remove our packet filter driver from your network adapter:

  1. Hold down the Windows key on the keyboard (the one with the Windows logo on it, usually between the Ctrl and Alt keys) and tap R to open the Run dialog.
  2. Type in control netconnections and click OK.
  3. Right-click on the network adapter, and select Properties.
  4. Look for the Emsisoft Network Filter or Emsisoft NDIS packet filter in the list.
  5. If you find one of them, click on it to select it, and click on the Uninstall button (if both are there, then do this one at a time for each of them).
  6. Once the Emsisoft entry you uninstalled has disappeared from the list, it has finished uninstalling, and you can close the network connection properties.

After that you should be able to reinstall EIS.

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OK: I did as advised, the firewall was still showing unknown LAN but I now had intermittent access to network player, uninstalled EIS again etc.(no network filter or Emsisoft NDIS packet filter this time)  rebooted twice then did a registry search for Emsisoft entries, I found a few & deleted them then reinstalled & all is now is all well - Thanks for the help - Paul   :D:D

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2 hours ago, PWT2222 said:

... then did a registry search for Emsisoft entries, I found a few & deleted them then reinstalled & all is now is all well ...

Maybe a service or driver entry in the registry was not being removed completely after the uninstall, and needed to be deleted manually. Our diagnostic tool can actually check for that, but since you've already fixed it then there's no need to run that tool.

Regardless, I'm glad to hear that the issue has been resolved. ;)

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