diff --git a/cron-rest-eyes b/cron-rest-eyes
index dd51d37..31a009b 100755
--- a/cron-rest-eyes
+++ b/cron-rest-eyes
@@ -1,17 +1,24 @@
 #!/bin/bash
 
+if [[ -r /bin/cygwin1.dll ]]; then
+    # in cygwin
+    PSF='-ef'
+else
+    PSF='-efww'
+fi
+
 export DISPLAY=:0
 
 # no message if one is displayed already
-if [[ "$(ps -efww | grep gxmessage | grep -v grep)" != "" ]]; then
+if [[ "$(ps $PSF | grep gxmessage | grep -v grep)" != "" ]]; then
     exit
 fi
 # no message if xscreensaver active
-if [ "$(ps -efww | grep xscreensaver | grep -v grep)" != "" ]; then
+if [ "$(ps $PSF | grep xscreensaver | grep -v grep)" != "" ]; then
     exit
 fi
 # no message if gnome-screensaver active
-if [ "$(gnome-screensaver-command --query | grep is.active)" != "" ]; then
+if [ "$(gnome-screensaver-command --query 2>/dev/null | grep is.active)" != "" ]; then
     exit
 fi
 
diff --git a/windows/cron-rest-eyes.bat b/windows/cron-rest-eyes.bat
new file mode 100755
index 0000000..45ffc2f
--- /dev/null
+++ b/windows/cron-rest-eyes.bat
@@ -0,0 +1,2 @@
+@PATH C:\cygwin\bin;C:\cygwin\usr\local\bin;%PATH%
+@bash /home/josh.holtrop/prog/files/cron-rest-eyes