To make a screenshot of an active window:
and press Print Screen
button. Now click START / All Programs / Accessories / Paint
and press V
(or click on Edit / Paste) than click on File / Save as / Save as type - choose JPEG, save the file.
Upload it here with your comments
If you can't upload the file, please resize it to make smaller or optimize it. Maximum allowed upload size is 100 KiB.