pig Sep 5, 2015 @ 12:15pm
CSGO Error: An issue with your computer is blocking the VAC system
I get this error "An issue with your computer is blocking the VAC system" when im playing on match making servers. If im playing on competitive, I usually get a day ban but now increased to a week for abandoning matches.
So I went to this page https://support.steampowered.com/kb_article.php?ref=2117-ILZV-2837& and followed everything and also disabled avast, firewall and windows defender and deleting appdata folder on steam directory but it wasn't the solution either.

Does anyone get the same problem?

please help me
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Showing 1-11 of 11 comments
The Giving One Sep 5, 2015 @ 12:30pm 
Anti-Virus Applications - Any Anti-Virus program could potentially block Steam and Steam game access, especially when not properly configured for use with Steam. Please make sure that Steam and all Steam games are listed as exceptions in these programs. If the issue persists, please try disabling or temporarily uninstalling the program to test the issue.

So did you try all of that ? Do you have any other programs from here...(linked below) ?

Avast is on the list....

https://support.steampowered.com/kb_article.php?ref=9828-SFLZ-9289
This link is on the page you have the link to in your title post so that means you have seen it already and checked it already also, correct ?

This is supposed to be in the VAC discussion forum, really.
Last edited by The Giving One; Sep 5, 2015 @ 12:34pm
pig Sep 5, 2015 @ 12:50pm 
http://prntscr.com/8czono
http://prntscr.com/8czowh

Sorry I forgot to mention this but I did disable and added in exclusion.
The Giving One Sep 5, 2015 @ 12:51pm 
Originally posted by The Giving One:
or temporarily uninstalling the program to test the issue.


This is supposed to be in the VAC discussion forum, really.
pig Sep 5, 2015 @ 12:53pm 
I'm running steam, skype, razer synapse, steelseries engine 3, nvidia experience, and bluetooth in the background.
pig Sep 5, 2015 @ 12:53pm 
yeah ill try that
The Giving One Sep 5, 2015 @ 12:54pm 
Stop running all those things (except Steam of course) in the background then. After you have uninstalled/disabled all those, see my post above.....number 3.

Skype is on the list also.
Last edited by The Giving One; Sep 5, 2015 @ 12:54pm
pig Sep 9, 2015 @ 10:06pm 
Originally posted by The Giving One:
Stop running all those things (except Steam of course) in the background then. After you have uninstalled/disabled all those, see my post above.....number 3.

Skype is on the list also.
Ok so I uninstalled Skype and Avast, but it's still happening. Before my cooldown finished, I been playing hours of casual and dm without any problem but after the cooldown was over I got this same error and got a week cooldown AGAIN.
I kept getting banned so I made a smurf account and I was able to play competitive match making without a problem. This doesn't make any sense. My guess is I am getting hacked.
I removed all the people i don't know in my friends list but samething happened. Plus I submitted a ticket to valve like about a week ago still waiting for reply.
The Giving One Sep 11, 2015 @ 2:39pm 
Did you uninstall Nvidia Experience also and reboot after EACH program uninstallation ?

Razer synapse is one that surely can be possibly problematic, if it is checking for updates and doing other things in the background.

What do you need bluetooth for exactly ?

What are you using for connection ? Wireless or ethernet directly to your modem ? Describe your network hardware exactly as it is configured, please.

Post a screenshot of your installed programs on that PC.
Last edited by The Giving One; Sep 11, 2015 @ 2:41pm
pig Sep 12, 2015 @ 1:06pm 
http://prntscr.com/8fln6e
http://prntscr.com/8flnaq
http://prntscr.com/8flngj

Using Ethernet cable and D-Link DIR‑628 router

Portforward:
UDP 27000-27015
UDP 27015-27030
TCP 27014-27050
UDP 4380
UDP 3478
UDP 4379
UDP 4380

I'm probably gonna clean install windows 10, but this problem also happened on my msi laptop.
Last edited by pig; Sep 12, 2015 @ 1:09pm
The Giving One Sep 18, 2015 @ 2:04pm 
I am really sorry for it taking a long time to get back to your thread here, and will post now in the event that it may be helpful and if you are still having this problem.

Originally posted by Chilla Desu~ #mute #music:
Using Ethernet cable and D-Link DIR‑628 router

Get rid of the router and use ethernet directly to the modem.

Originally posted by Chilla Desu~ #mute #music:
I'm probably gonna clean install windows 10, but this problem also happened on my msi laptop.

I have seen info that MSI uses Killer drivers for NIC and possibly WLAN also, so that could have something to do with the issue on your other PC. Check to see if you have those drivers for either of your internet connection devices on the MSI laptop.

You have quite a lot of programs installed on the PC in question from the screenshots that you have provided. Have you not tried to use the "hide all microsoft services" box option from msconfig in Windows and eliminat almost all remaining questionable software ?

Of course you still need device drivers like sound and video, so leave those active but perhaps you should eliminate most of the rest. Remeber, disabled is not always the same is fully uninstalled and all traces removed from your system.
Last edited by The Giving One; Sep 18, 2015 @ 2:05pm
steelseries engine Flags VAC
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Date Posted: Sep 5, 2015 @ 12:15pm
Posts: 11