You might get an error dialog looking like this:
It's also possible that the ordinary startup screen is visible for a short period and then nothing more happens.
As a first attempt, please try to un-install and then re-install Java.
You find the latest Java version here:
If you have several versions of Java installed you probably want to un-install all of them before installing the latest version.
If this doesn't help, it's time to check if Java was added to the computer's path variable correctly.
1) Open Windows run dialog by pressing the windows-key and the R-key at the same time
2) Type cmd in the dialog
3) Click OK.
4) In the command window type:
Code: Select all
If Java is present on the path you will get a result similar to this:
If you get the message above it's probably not Java that is the cause of your problem and the following steps in this guide will not help you. Try to search the forum for an answer or start a new thread to get some help.
If Java isn't present on the path you will get a result like this:
Java needs to be added to your path. Follow the steps below.
In some occasions it's also possible to get an error like this:
Also in this case it's possible that the path variable needs to b updated. Follow the steps below.
You will need to add Java to your computer's path.
The first step is to locate where Java is installed on your computer. It would typically be installed here: C:\Program Files (x86)\Java\jre7
5) Verify this by open the explorer in Windows and click the folders until you find the Java installation:
6) Open the folder named bin and then use the mouse to click in the folder path above to turn it to selectable text.
7) Select the complete path and copy it to the clipboard.
Now it's time to use the path you made a copy of add it to Windows path variable.
8) Open Windows control panel.
9) Click on "System"
10) In Windows 7 and Vista you will need to click on the link "Advanced system settings" to the left to open a dialog called "System properties". (In Windows XP this dialog is opened directly when you click system in the control panel)
11) Click the tab named Advanced
12) You should now see a dialog like this:
13) Click the button "Environment variables..." at the bottom.
14) In the dialog that opens find and select "Path" among the systems variables in the lower part:
15) Now click "Edit..." to open a new dialog:
16) Do not replace any of the text in the variable value!
17) Place the marker at the end of the line and add a semicolon ;
18) Right click and paste the path you copied before on the right side of the semicolon
19) The path should now look something like this:
20) Click the OK button to accept the new path.
21) Click the OK button in the environment variables dialog.
22) Click the OK button in the system properties dialog.
23) Open a new command window again, and see if your computer can find Java. This is done by following step 1 to 4 again. You should now get a result similar to this:
24) Now try to start Yawcam again. It should hopefully start: