Re: App won't open on PC

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You should be able to simply double-click on the robocode-1.9.x.x-setup.jar 
file in order to start installing it running on Java on Windows, if Java is 
installed correctly.

You can check if java is installed and see the version by writing this in a 
command prompt:

java -version

This should provide you with the Java version and vendor etc.
You also need to make sure that the 'java' command is available from the 
PATH environment variable. Typically the PATH must include the full 
absolute file path to the bin directory of your Java installation 
containing various command-line tools for java like e.g. java.exe.

On my system PATH includes this path:

...;C:\Program Files\Eclipse Adoptium\jdk-11.0.13.8-hotspot\bin;...

And you might also need to ensure that the JAVA_HOME path is set to the 
root path of the Java installation. You can check JAVA_HOME from the 
command prompt by writing this command:

echo %JAVA_HOME%

E.g. on my system, it writes:
C:\Program Files\Eclipse Adoptium\jdk-11.0.13.8-hotspot

If Robocode won't start by double-clicking on the jar archive, you can 
install it from the command prompt like this:

java -jar robocode-1.9.4.4-setup.jar

onsdag den 2. februar 2022 kl. 18.56.37 UTC+1 skrev [email protected]:

> I have downloaded robocode, but when I try to open it, it says that I 
> can't open this app on my PC. I am using Windows 10 on a Lenovo, and have 
> Java downloaded. Any ideas on how to fix this issue?

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You should be able to simply double-click on the robocode-1.9.x.x-setup.jar=
 file in order to start installing it running on Java on Windows, if Java i=
s installed correctly.<div><br></div><div>You can check if java is installe=
d and see the version by writing this in a command prompt:</div><div><br></=
div><div>java -version</div><div><br></div><div>This should provide you wit=
h the Java version and vendor etc.</div><div>You also need to make sure tha=
t the 'java' command is available from the PATH environment variable. Typic=
ally the PATH must include the full absolute file path to the bin directory=
 of your Java installation containing various command-line tools for java l=
ike e.g. java.exe.</div><div><br></div><div>On my system PATH includes this=
 path:<br><br>...;C:\Program Files\Eclipse Adoptium\jdk-11.0.13.8-hotspot\b=
in;...</div><div><br></div><div>And you might also need to ensure that the =
JAVA_HOME path is set to the root path of the Java installation. You can ch=
eck JAVA_HOME from the command prompt by writing this command:</div><div><b=
r></div><div>echo %JAVA_HOME%<br></div><div><br></div><div>E.g. on my syste=
m, it writes:</div><div>C:\Program Files\Eclipse Adoptium\jdk-11.0.13.8-hot=
spot<br></div><div><br></div><div>If Robocode won't start by double-clickin=
g on the jar archive, you can install it from the command prompt like this:=
</div><div><br></div><div>java -jar robocode-1.9.4.4-setup.jar</div><div><b=
r></div><div class=3D"gmail_quote"><div dir=3D"auto" class=3D"gmail_attr">o=
nsdag den 2. februar 2022 kl. 18.56.37 UTC+1 skrev [email protected]:<br/></d=
iv><blockquote class=3D"gmail_quote" style=3D"margin: 0 0 0 0.8ex; border-l=
eft: 1px solid rgb(204, 204, 204); padding-left: 1ex;">I have downloaded ro=
bocode, but when I try to open it, it says that I can&#39;t open this app o=
n my PC. I am using Windows 10 on a Lenovo, and have Java downloaded. Any i=
deas on how to fix this issue?</blockquote></div>

<p></p>

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