diff --git a/IntelliJ-products-instructions.md b/IntelliJ-products-instructions.md
index 6e6e6a6..3f171bc 100644
--- a/IntelliJ-products-instructions.md
+++ b/IntelliJ-products-instructions.md
@@ -2,6 +2,16 @@
 
 Proper support for ligatures was added in 2016.2 (incl. font compatibility & better performance). Enable in `Settings` → `Editor` → `Colors & Fonts` → `Font` → `Enable Font Ligatures`
 
+### Corrupted text on Windows
+
+If you see something like that
+
+![this](https://cloud.githubusercontent.com/assets/12413929/18270117/3dcbbe18-7423-11e6-88cd-c7725657babf.png)
+
+Open `cmd.exe`, `cd C:\Windows\Fonts` and then `del` every file that looks like `FiraCode-Regular_**.ttf`. NB these files are invisible if you open `Fonts` in Explorer
+
+Issue: https://youtrack.jetbrains.com/issue/IDEA-159901
+
 ### Prior to 2016.2
 
 This should work for **Fira Code 1.102** and IntelliJ products **v. 15** and later (IDEA, PhpStorm, PyCharm, RubyMine, WebStorm, AppCode, CLion, DataGrip):