请问这些警告都是什么意思,怎么解决?

请问这些警告都是什么意思,怎么解决?

[FVWM][convert_charsets]: WARNING -
        Invalid byte sequence during conversion from UTF-8 to ISO-8859-1
[FVWM][convert_charsets]: WARNING -
        Invalid byte sequence during conversion from UTF-8 to ISO-8859-1
[FVWM][convert_charsets]: WARNING -
        Invalid byte sequence during conversion from UTF-8 to ISO-8859-1
[FVWM][convert_charsets]: WARNING -
        Invalid byte sequence during conversion from UTF-8 to ISO-8859-1
[FVWM][convert_charsets]: WARNING -
        Invalid byte sequence during conversion from UTF-8 to ISO-8859-1
[FVWM][convert_charsets]: WARNING -
        Invalid byte sequence during conversion from UTF-8 to ISO-8859-1
[FVWM][convert_charsets]: WARNING -
        Invalid byte sequence during conversion from UTF-8 to ISO-8859-1

--- Hash table keys for warning below:
--> file:///home/czy/c
--> file:///home/czy
--> file:///home

(nautilus:4029): Eel-WARNING **: "nautilus-metafile.c: metafiles" hash table still has 3 elements at quit time (keys above)

--- Hash table keys for warning below:
--> file:///home/czy/c
--> file:///home/czy
--> file:///home

(nautilus:4029): Eel-WARNING **: "nautilus-directory.c: directories" hash table still has 3 elements at quit time (keys above)
是字符的问题吗/
还请斑竹帮助
无效UTF-8 转换 ISO-8859-1位组序列
??? 能不能解释得清楚点?

太专业了  有点看不太懂  呵呵
我也不大清楚 只是这么翻译的
要不 ..问问3n
我在FVWM里打开GEDIT的时候也有这个问题
[FVWM][convert_charsets]: WARNING -
Invalid byte sequence during conversion from UTF-8 to ISO-8859-1
不知道怎么解决。

GEDIT用的是SimSun字体。