Inifinite *Agent will upgrade AGAIN* because Failed to unpack plugin file-content-replacer.zip

TeamCity 2017.1.2 on Win10 x64

The log looks like following, 

while(true)
{
   ......

   [2017-08-27 18:50:40,577] WARN - gentUnpackingPluginJarSearcher - Failed to unpack plugin: "E:\pro\TeamCityBuildAgent\plugins\file-content-replacer.zip": jetbrains.buildServer.agent.plugins.files.PluginUnpackException: Failed to read plugin file: E:\pro\TeamCityBuildAgent\plugins\file-content-replacer.zip. error in opening zip file
   ......
   [2017-08-27 18:50:59,435] WARN - jetbrains.buildServer.AGENT - Failed to read plugin file: E:\pro\TeamCityBuildAgent\plugins\file-content-replacer.zip. error in opening zip file 
   [2017-08-27 18:50:59,435] WARN - ent.plugins.AgentPluginsLoader - Failed to unpack all plugins 
   [2017-08-27 18:50:59,435] WARN - ent.plugins.AgentPluginsLoader - ====> Agent will upgrade AGAIN
   ......
}

What should I do now?