近日,笔者由于需要安装一款个人非常喜欢的PDF浏览器Xodo,只能在Microsoft Store下载。但是,却无法打开,给出提示:The store app is blocked. (0x800704EC)。查百度经验,降低Internet选项安全等级、取消局域网代理设置,仍不奏效。 后来,在Microsoft Community检索到了,提示修改注册表参数: HKEY_CURRENT_USER\\SOFTWARE\\Policies\\Microsoft\\RemoveWindowsStore is already set to 0. But I search for RemoveWindowsStore and found another key with the same namein HKEY_LOCAL_MACHINE\\SOFTWARE\\Policies\\Microsoft\\WindowStore\\ which was set to 1. By setting it to 0 solves my problem. 照做后,问题解决。