如果当您尝试在Windows 10上启动^{(Windows 10)}UWP 应用时，您发现它已被您^{(UWP app)}安装的安全软件^{(installed security software)}阻止打开或启动，那么这篇文章旨在帮助您。在这篇文章中，我们将确定此问题的潜在原因，并提供您可以尝试帮助您缓解问题的解决方法。

Windows 应用商店^{(Windows Store)}或UWP应用是在Windows 10和Windows 8电脑和平板电脑上运行的新型应用程序。与传统的桌面^(Desktop)（或经典）应用不同，UWP应用有一个默认填满整个屏幕的无镶边（即无外框）窗口。

安全^(Security)软件阻止UWP应用打开

如果你的安全软件阻止任何UWP应用打开，那是因为应用程序包中的各个文件没有经过数字签名，即使这些包是目录签名的。

要解决^{(To work around)}此问题，请通过程序设置将受影响的应用程序添加到安全软件的白名单中。

数字和目录签名^{(Digital and Catalog signatures)}

数字签名的目录文件 ( .cat ) 可用作任意文件集合的数字签名。目录文件包含一组加密哈希或指纹^{(thumbprints)}。每个指纹对应于集合中包含的一个文件。

目录文件（您可以使用名为Package Inspector的工具在^{(Package Inspector)}Windows 10中创建）包含有关与您的受信任但未签名的应用程序关联的所有已部署和执行的二进制文件的信息。创建目录文件时，您还可以包含您不想信任签名者而是信任特定应用程序的已签名应用程序。

创建目录后，您必须使用企业公钥基础结构 ( PKI ) 或购买的代码签名证书对目录文件本身进行签名。然后，您可以分发目录，以便WDAC（Windows Defender 应用程序控制）以与任何其他签名应用程序相同的方式处理您的受信任应用程序。

相关阅读^{(Related read)}：此应用已被阻止以保护您。

Security software blocks UWP app from opening on Windows 10

If when you try to lаunch a UWP app on Windows 10, you notice it’s been blocked from opening or starting by your installed security software, then this post is intended to help you. In this post, we will identify the potential cause(s) to this issue, as well as provide the workaround you can try to help you mitigate the issue.

A Windows Store or UWP app is a new type of application that runs on Windows 10 and Windows 8 PCs and tablets. Unlike traditional Desktop (or classic) apps, a UWP app has a single, chromeless (i.e., no outside frame) window that fills the entire screen by default.

Security software blocks UWP app from opening

If your security software blocks any UWP app from opening, that is because the individual files within an application package are not digitally signed even though the packages are catalog-signed.

To work around this issue, add the affected applications to the whitelists of your security software via the program’s settings.

Digital and Catalog signatures

A digitally-signed catalog file (.cat) can be used as a digital signature for an arbitrary collection of files. A catalog file contains a collection of cryptographic hashes or thumbprints. Each thumbprint corresponds to a file that is included in the collection.

Catalog files (which you can create in Windows 10 with a tool called Package Inspector) contain information about all deployed and executed binary files associated with your trusted but unsigned applications. When you create catalog files, you can also include signed applications for which you do not want to trust the signer but rather the specific application.

After creating a catalog, you must sign the catalog file itself by using enterprise public key infrastructure (PKI), or a purchased code signing certificate. Then you can distribute the catalog so that your trusted applications can be handled by WDAC (Windows Defender Application Control) in the same way as any other signed application.

Related read: This app has been blocked for your protection.

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