I have not seen this error, but others have.
From past reports, as far as I can tell, it seems to be caused by some
anti-malware / anti-virus application that is preventing the file from
Verify that your antivirus is OK with running the installer file.
Verify that your antivirus will allow programs placed within the TEMP
directory to be loaded.
The installer explodes its contents into the TEMP directory and then
executes a few files, like QualifiedHostname, to help populate screens in
the install wizard.
Something is interfering with that.
And, the ultimate fallback -- try a different computer.
···On Mon, Apr 18, 2016 at 4:51 PM, Che Geiser wrote:
I'm trying to upgrade from 1.4.7 to 1.4.8. When I run the executable
installer on my Windows machine I get this popup:
There has been an error.
Error running C:/Program Files/Java/jdk1.7.0_79/jre/bin/java.exe
QualifiedHostname : Error: Could not find or load main class
Any thoughts on what might cause this?
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