diff --git a/README.md b/README.md
index a5371043..16f8c3d8 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,8 @@ Start-BitsTransfer -Source https://git.io/rustlings-win -Destination $env:TMP/in
 
 To install Rustlings. Same as on MacOS/Linux, you will have access to the `rustlings` command after it.
 
+When you get a permission denied message then you have to exclude the directory where you placed the rustlings in your virus-scanner
+
 ## Browser:
 
 [Run on Repl.it](https://repl.it/github/rust-lang/rustlings)