My suggestion would be to record the actual error and post it here. Other common suggestions are to check your drivers for your video and to try a reinstall. Otherwise you seem to be doing the right things. You can email support at support-ee@ryzom.com
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Remembering Tyneetryk
Phaedreas Tears - 15 years old and first(*) of true neutral guilds in Atys.
(*) This statement is contested, but we are certainly the longest lasting.
<clowns | me & you | jokers>