Windows 10: Application Compatibility Toolkit blocked

[German]A brief information for administrators of Windows 10 clients. Microsoft has started blocking older versions of the Application Compatibility Toolkit on Windows 10.


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For example, the Application Compatibility Toolkit has been useful in fixing compatibility issues with VMware products on Windows 10 (see Windows 10: Update KB4517211/KB4522015 breaks VMware Workstation). However, many users reported issues with the tool, which erroneously displayed the System Database storage option as "Read Only".

Now Microsoft has blocked older versions of the Application Compatibility Toolkit from running on current Windows 10 builds. Blog reader Valery has informed me in this comment to my article Windows 10: Update KB4517211/KB4522015 breaks VMware Workstationhttps://borncity.com/win/2019/11/06/windows-10-application-compatibility-toolkit-blocked/ that he received the following popup.

Application Compatibility Toolkit blocked

I haven't tested anything yet, so I don't know if there is already an updated version, and set it as a brief information here.


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