Why is a program downloaded as a jar file

 · It is because installer is java TM platform file. If it doesn't open when you double click right click it choose open with and then choose java TM platform NOTE not every java file will open with java TM platform. Once i tried to open bltadwin.ru and it kept just loading loading and loading until i moved bltadwin.ru file and placed it back.  · The Jar you have is likely a library, the error you are getting states that the JVM cannot find the entry point for the application (i.e. public static void main (String [] args) {}. Share Improve this answer answered Dec 28 '13 at user .  · It sounds like the file default bltadwin.ru files has been set to open with Notepad, right click on the file, choose open with select windows zip or your default zipping software tick always use this program to open this type of file. If this is already set correctly then the person who created the file has made a mistake. My Computer.

download the correct version for your computer. right click the file that you download from the top of this page. click on properties. next to "open with " (second option down) click the change button. navigate to C:\Program Files (x86)\Java\jre_45\bin\bltadwin.ru click on. double click on file to open it. Sometimes, the Java file associations can become broken. Follow these steps to re-associate '.jar' files to use Java: Download a '.jar' from a sim page (Play or "Download" button) Right click the bltadwin.ru file and choose "Open With ". Select "Choose another app". Check the "Always use this app to bltadwin.ru files". Click "More apps". Click on Associate a file type or protocol with a program. Locate bltadwin.ru file on the list and double-click it. A list of suggested applications will appear. Click on More apps. Scroll all the way down and choose Look for another app on this PC. Locate the bltadwin.ru file. By default, the application should be located in Program Files folder.

If these files have gotten associated with another program that doesn't know how to decode them, that might be the problem. Thanks for checking that. On your Downloads list, could you click the "folder" icon on the right end to open the Downloads folder with that file selected. It sounds like the file default bltadwin.ru files has been set to open with Notepad, right click on the file, choose open with select windows zip or your default zipping software tick always use this program to open this type of file. If this is already set correctly then the person who created the file has made a mistake. My Computer. Open Edge and click the triple-dot button in in the upper-right. Scroll down to the bottom of the right-hand panel and click Settings. Scroll down to the bottom of Settings and click View Advanced.