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故障现象:近日,单位的同事都忙于准备晋升职称——参加全国计算机应用能力考试的学习,在做考试模拟盘时却出现了软件不能安装的问题。同事用光盘做考试模拟题时一切正常,为了维护光驱便用虚拟光驱软件将光盘创建到虚拟光盘上。以上操作一切无误。运行虚拟光盘,出现模拟考试的启动画面,点击“安装”按钮,程序出现安装向导界面后,接着出现“卸去当前全国计算机应用能力考试系统吗? ‘确定’与‘取消’”的提示!根据提示进
Symptoms: Recently, the unit’s colleagues are busy preparing for the promotion of titles - to participate in the national computer application proficiency test, while doing simulation test disk software there is a problem that the software can not be installed. My colleagues use the CD to do the exam simulation questions when everything is normal, in order to maintain the optical drive will use the virtual CD-ROM software to create a CD-ROM to the virtual CD-ROM. The above operation is correct. Run the virtual CD-ROM, a mock exam start screen, click on the “Install” button, the program appears after the installation wizard interface, followed by "uninstall the current national computer application ability test system? ’OK’ and ’cancel’ Prompt into