我在開啟舊檔時會出現
FONT PROBLEMS
RoundHeavy:
Default font substituted missing font.

在另存新檔時會出現
FONT PROBLEMS
ArialMT:
Unable to create font subset. Failed to embed the font.
An unknown problem occurred.

Arial-BoldMT:
Unable to create font subset. Failed to embed the font.
An unknown problem occurred.

這是什麼情況..有沒有得解???