I got a false-positive report for running 7z file manager somehow, please help

[Gachi lord]

Here's the report: You have to register to be able to see this link. Register HERE! If you are already a member please log in! If you still you are not able to see the link you need to activate your account or an administrator need to activate your account!

I got banned from a really cool server because of it. I hope someone here can do something about it.

Thanks in advance.

--------------- Added after 7 minutes ---------------

Last in-game nickname: Gachi lord
I don't use Steam to play CS.
If there's any other information you need, I'll gladly provide it.

[Tiger]

False-positive, detection removed. Thank you for reporting the issue.

[Gachi lord]

Thank you very much!

[Tiger]

You are welcome.