Problems installing ReSharper: JetBrains Installer.ReSharper.Bootstrap could not run
I have problems installing ReSharper. Every time I start the installer, the following error occurs: "JetBrains Installer.ReSharper.Bootstrap could not run.
Could not Ioad the JetLauncher Managed Core into the
application domain. Could not Ioad the assembly from
resource #777. The File or Assembly "208936 bytes Ioaded
from mscorlib, Version-4.0.0.0, Culture-neutral,
PublicKeyToken=b77a5c561934e089" or a dependency
could not be found. Exception from HRESULT:
OxD0000003"
I am using VS 2022. My System and VS is up to date.
Things i have already tried are:
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updating Anything
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Windows
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VS 2022
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.NET CORE (version 6.0.401)
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different Installation Methodes
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web Installer
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offline Installer
Has anyone the same problem or can someone help me? Thank you
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Hello Luca, thank you for your message. It seems that some kind of secure policy is applied on your machine (AppLocker, for example). Could you please check this and either disable it or add ReSharper to the exclusion list?
Seeing as all posts we could find about this type of error only refers to “some kind of security policy” We figured we’d post our experience and what caused the error and hopefully help others avoid some weeks of frustration😊
In our company this was caused by WDAC being in AUDIT mode. We think it’s the known issue in WDAC (.NET native images may generate false positive block events(https://learn.microsoft.com/en-us/windows/security/threat-protection/windows-defender-application-control/operations/known-issues#net-native-images-may-generate-false-positive-block-events)) However it is not clear that this will happen even when the WDAC policy is in AUDIT mode. We were seeing the event “Event of type [AppControlCodeIntegrityPolicyAudited] observed on device” and some runs would also have a “Code Integrity signature information”, in the device timelines, the installer process starting, and then nothing more.
After removing WDAC from the devices that needed to install Resharper(exclusion policy) We still had a couple of devices that experienced the issue, even though the policy was turned off. This was caused by an issue with the files under c:\Windows\System32\CodeIntegrity\CiPolicies\Active\. We marked and tried to delete all the files, these were seemingly blocked, however on some devices we saw the date modified change on some of the files, so something happened, and after a reboot the installer works.
I am posting this answer on behaf of my IT department