idea 报错“Certificate used to sign the license is not signed by JetBrains root certificate”

idea版本：2021.3
登录报错：“Certificate used to sign the license is not signed by JetBrains root certificate”
解决方案：
1.卸载重装
2.修改：C盘当前登录用户下的idea64.exe.vmoptions
比如我的是：C:\Users\10538\AppData\Roaming\JetBrains\IntelliJIdea2021.3\idea64.exe.vmoptions，注释掉：