diff --git a/FAQ.md b/FAQ.md
index ff72d3a..09df2cd 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -1002,4 +1002,11 @@ Android: Android 7.0
 
 # Can we control iOS?
 
-This is impossible so far since iOS does not allow this.
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+This is impossible so far since iOS does not allow this.
+
+# My new icon does not take effect on Windows when I change the icon of my custom client.
+```
+cd %localappdata%\microsoft\windows\explorer
+del iconcache*
+taskkill /F /IM explorer.exe & start explorer
+```
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