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Question
Wednesday, June 19, 2019 10:07 PM
@FirewallAPI.dll,-80201 shows up in the entry already chosen in the predefined category and never has been there before
and when you block stuff like wim prsve in the firewall why does things still go there and able to access the folder after its been blocked
looked online but no info
did a scan no corrupt files
All replies (8)
Thursday, June 20, 2019 3:39 AM
Hi,
From my search, the registry value for Windows Firewall rules would be something like @FirewallAPI.dll.
It seems that Negative numbers are resource identifiers.
In Windows Task Manager, you can see what CPU, memory, disk and network utilization is causing the FirewallAPI.DLL process. To access the Task Manager, hold down the Ctrl + Shift + Esc keys at the same time.
Most firewallAPI issues are caused by the application executing the process. The surest way to fix these errors is to update or uninstall this application.
Hope above information can help you.
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Thursday, June 20, 2019 7:21 PM
thank you for replying but I may have not explained that problem right 
Thursday, June 20, 2019 7:23 PM
how the dll is already placed in the chose menu
I have no file corruption using dism chk health
just started sometime after 1903 update
Friday, June 21, 2019 6:12 AM
Hi,
According to your screenshot, I have found a thread similar to yours:
It looks like a display problem.
If there is no other issue, you don't have to worry about it.
Please remember to mark the replies as answers if they help.
If you have feedback for TechNet Subscriber Support, contact [email protected].
Tuesday, June 25, 2019 6:18 AM
Hi,
Was your issue solved?
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If no, please reply and tell us the current situation in order to provide further help.
Please remember to mark the replies as answers if they help.
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Saturday, August 10, 2019 1:41 AM
I find this a bit disconcerting....80201 is the frame server which shares out your camera to multiple programs, in other words Cyberlink YouCam can use your webcam simultaneously with Skype etc, at least that's my understanding. This rule, as you may have noticed, has an awful lot of columns with the word "Any" in them.
It's suddenly not my favorite firewall rule.
I hope somebody else can reply with a clearer understanding of this firewall rule
Thanks
Kevin
Monday, September 9, 2019 1:53 AM
I am coming for the rescue, i have no solution but i have to tell You something important...
I try to solve this problem from 3 month without success...
Somebody has an access to your computer, everything data, password, everything... even access to Your LAN..
in my opinion You may have key-logger... somebody tried log in to my bank account it is serious... please watch out
this error show up even after clean installation, looks like perfect attack, netbot, rootkit, blackhat... open ports 5000-5020 i found port forwarding rules on my router according to the rule in firewall... and i have not did this
Please watch out,
Please help, what can i do to solve this problem ?
Wednesday, February 12, 2020 8:12 PM
Hi there,
This seems to be from a program that uses port 554 which is Real Time Streaming Protocol.
On my machine this entry would be from League of Legends but it could be something else in your case. There is also an entry on my machine for @FirewallAPI.dll,-80206 which is for the actual game itself.