diff --git a/init.el b/init.el
index f148fdcd..4ac540d1 100755
--- a/init.el
+++ b/init.el
@@ -157,6 +157,21 @@
   (setq doom-themes-enable-bold t
         doom-themes-enable-italic t))
 
+(defun mk/exe-available-p (exe-name)
+  "Check if exe is available on the system."
+  (cond
+   ;; Check for Windows
+   ((eq system-type 'windows-nt)
+    (or (executable-find (format "%s.exe" exe-name))
+        (executable-find exe-name)))
+   ;; Check for Linux and other Unix-like systems
+   ((or (eq system-type 'gnu/linux)
+        (eq system-type 'darwin)
+        (eq system-type 'berkeley-unix))
+    (executable-find exe-name))
+   ;; Return nil for unsupported systems
+   (t nil)))
+
 ;; (load "bundle--gui")
 
 (setq-default mode-line-format
@@ -323,6 +338,7 @@
 
 (use-package doc-view
   :ensure nil
+  :init (mk/exe-available-p "mutool")
   :custom
   (doc-view-continuous nil)
   (doc-view-scale-internally nil)
@@ -421,22 +437,7 @@
   (shrface-trial)
   (shrface-default-keybindings))
 
-(defun hunspell-available-p ()
-  "Check if Hunspell is available on the system."
-  (cond
-   ;; Check for Windows
-   ((eq system-type 'windows-nt)
-    (or (executable-find "hunspell.exe")
-        (executable-find "hunspell")))
-   ;; Check for Linux and other Unix-like systems
-   ((or (eq system-type 'gnu/linux)
-        (eq system-type 'darwin)
-        (eq system-type 'berkeley-unix))
-    (executable-find "hunspell"))
-   ;; Return nil for unsupported systems
-   (t nil)))
-
-(when (hunspell-available-p)
+(when (mk/exe-available-p "hunspell")
   (progn
     (use-package flyspell
       :hook ((LaTeX-mode . flyspell-mode)
@@ -446,7 +447,7 @@
     (use-package ispell
       :ensure nil
       :config
-      ;; On windows: Copy *.aff and *.dic files to C:\msys64\ucrt64\share\hunspell
+      ;; On windows: Copy *.aff and *.dic files to C:\msys64\ucrt64\share\hunspell or C:\cygwin64\usr\share\myspell
       ;; `hunspell -D`, the program will display the dictionaries and affix files it
       ;; finds and loads.
       ;; (when (eq system-type 'windows-nt)