Installation error "It has not been possible to validate the integrity of"
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Almost all plugins I try to install using the plugin manager fail to pass validating their integrity. Some of them included: JSON Viewer, Menu Search, NppCrypt, NppExport, NppFTP, NppJumpList, PyNPP, RegRexPlace, RunMe, Tidy2; the error is "It has not been possible to validate the integrity of " then plugin name. Even Converter, DSpellCheck, NppExport, NppFTP won’t reinstall, however DoxyIt installed and can reinstall.