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win8系統在安裝msi檔案時遇到2502和2503錯誤

Win8系統安裝msi檔案時遇到問題,彈出兩個對話方塊:
The installer has encountered an unexpected error installing this package.this may indicate a problem with package.the error code is 2502.
The installer has encountered an unexpected error installing this package.this may indicate a problem with package.the error code is 2503.

這是Win8系統的許可權問題,可以如下解決:
1.執行CMD(管理員)
2.輸入以下命令: msiexec /package "你安裝程式包的路徑"