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Troubleshooting
Make sure that you download the version of Vega that corresponds to your JRE. If you have 32-bit Java, you'll need to install 32-bit Vega, even if your OS is 64-bit.
This error can occur when starting Vega on 32-bit Windows systems. It is because the Vega memory requirements for the max heap size can't be met.
Solution:
Edit the Vega.ini file in the Vega directory and change the value of the -Xmx parameter to 1536m or lower, save the file, and then restart Vega.
The line should read -Xmx1536m or -Xmx1024m instead of -Xmx2048m.
Due to a Xulrunner incompatibility with Eclipse, Vega requires WebKit 1.0 and will fail if it is not installed. The error will instruct the user to set the 'MOZILLA_FIVE_HOME' environment variable to the Xulrunner location. Ignore this. Use libwebkit-gtk - it can be installed through the package managers included with most Linux distributions.
sudo apt-get install libwebkitgtk-1.0
sudo yum install webkitgtk
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