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people have encountered the situation and Internet users are not quite the same, respectively introduce the two how to solve:
case 1: the most common, which is now a search on the Internet can be encountered;
error:
solution:
find “tools_r25.2.2-windows.zip” in folder temp and unzip it to overwrite the tools folder.
Open sdkmanager. exe after
and the above prompts will not appear.