Java update altering Java path in Environmental Variables
I don’t know how many of you have Java set up to advise you when there is an update available, but because of the security vulnerabilities that having an out of date Java install can pose, it is best to always be using the latest version. To check whether or not you have “Check for updates” enabled, you need to access the Java control panel by going to C:ProgramFilesJavajre1.8.0_60in (the red section will depend on what version of Java you have installed) and double clicking the javacpl.exe file which will open the Java control panel > Click update tab at the top and ensure that the “Check for updates” box is ticked. When an update becomes available you will be notified in the systray area down near the clock, bottom right hand corner of the desktop.
After you update Java you will find that the Path in environmental variables is now wrong and Multiwii GUI will not open. Here is my Path before updating from Java version 51 to version 60. I have just put each individual entry on a separate line so it is easier to see what has happened although in practise they will all be joined together with no spaces and a semi colon at the end of each entry.
Before Java update
C:Program FilesJavajre1.8.0_51in;
C:Program FilesPC Connectivity Solution;
C:Program FilesCommon FilesMicrosoft SharedWindows Live;%SystemRoot%system32;%SystemRoot%;%SystemRoot%System32Wbem;%SYSTEMROOT%System32WindowsPowerShellv1.0;
C:Program FilesWindows LiveShared;
After Java update
C:ProgramDataOracleJavajavapath; Delete this
C:Program FilesJavajre1.8.0_51in; Change this to version 60 (jre1.8.0_60)
C:Program FilesPC Connectivity Solution;
C:Program FilesCommon FilesMicrosoft SharedWindows Live;%SystemRoot%system32;%SystemRoot%;%SystemRoot%System32Wbem;%SYSTEMROOT%System32WindowsPowerShellv1.0;
C:Program FilesWindows LiveShared;
So we end up with this as our Path in Environmental Variables and the Multiwii GUI will now work again.–
C:Program FilesJavajre1.8.0_60in;C:Program FilesPC Connectivity Solution;C:Program FilesCommon FilesMicrosoft SharedWindows Live;%SystemRoot%system32;%SystemRoot%;%SystemRoot%System32Wbem;%SYSTEMROOT%System32WindowsPowerShellv1.0;C:Program FilesWindows LiveShared;