моя операционная система - win10 ，, и я извиняюсь yarn add protobufjs, она показывает:
\**>yarn add protobufjs
[1/4] Resolving packages...
[2/4] Fetching packages...
error An unexpected error occurred: "EPERM: operation not permitted, unlink
'**:\\***\\Local\\Yarn\\Cache\\v4\\npm-@babel-plugin-proposal-unicode-property-regex-7.4.4-***\\node_modules\\@babel\\plugin-proposal-unicode-property-regex\\test\\fixtures\\without-unicode-flag\\unicode-10\\input.js'".
info If you think this is a bug, please open a bug report with the information provided in "***\\yarn-error.log".
info Visit https://yarnpkg.com/en/docs/cli/add for documentation about this command.
как мне решить проблему? ....