diff --git a/Known-issues.md b/Known-issues.md
index 6ce1948..4e3dc59 100644
--- a/Known-issues.md
+++ b/Known-issues.md
@@ -1,2 +1,3 @@
 * **[All]** _Add directory_ button don't support multiselection. QT limitation.
+* **[Windows]** 32 bit release might be detected by several AV as malware. False positive caused by py2exe.
 * **[Linux/OS X]** PNG files using RBGA palette might crash conversion. Pillow 2.4.0 bug.
\ No newline at end of file