diff --git a/README.md b/README.md
index 7a2c94c..df185d6 100644
--- a/README.md
+++ b/README.md
@@ -46,6 +46,8 @@ Then, you can run:
 Start-BitsTransfer -Source https://git.io/rustlings-win -Destination $env:TMP/install_rustlings.ps1; Unblock-File $env:TMP/install_rustlings.ps1; Invoke-Expression $env:TMP/install_rustlings.ps1
 ```
 
+When you get a permission denied message then you have to exclude the directory where you placed the rustlings in your virus-scanner.
+
 To install Rustlings. Same as on MacOS/Linux, you will have access to the `rustlings` command after it.
 
 ## Browser: