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Client task fails with "Invalid utf8 leading byte".

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As discussed at the above URL, a similar situation has occurred and remote installation now fails with summary.

2020 12月 4 17:02:00 OS 失敗しました タスクが失敗しました。ソフトウェアを手動でインストールしてください。 Invalid utf8 leading byte

Currently, we run the ESMC  as follows.


ESET Security Management Center (Server)、バージョン7.2 (7.2.1279.0)
ESET Security Management Center (Webコンソール)、バージョン7.2 (

And we attempts to install the version as follows.

ESET Endpoint Antivirus 7.3.2041.1


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  • 4 weeks later...
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According to what I have found, this issue should not have any negative impact on functionality and just prevents remote diagnostic of issues.

Please create an installation log by running the Endpoint msi installer with the "/lvx* install.log" parameter.

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