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解决“E: Package ‘libqtgui4‘ has no installation candidate”无法安装qt4
使用场景 xff1a Ubuntu20 4 xff0c VMware16pro 笔者在安装Ubuntu下的网络调试助手NetAssist xff0c 遇到了 E Package libqtgui4 has no installation c
package
libqtgui4
has
installation
candidate