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Old 02.02.2016, 18:11
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Jiaz Jiaz is offline
JD Manager
 
Join Date: Mar 2009
Location: Germany
Posts: 66,134
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JDownloader uses its own java, yes. In case you your system is 64bit, then JDownloader will use a 64bit java.
Yes, modifying the .vmoptions File is the correct way

You can force old installation by starting it manually
with c:\...java.exe -jar...

The problem is that a 32bit launcher cannot use 64bit java. Java and Launcher needs the same bitness.

or you simply migrate the cfg folder, correct
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