当我尝试安装 gitlab runner 时，收到以下错误消息：
Microsoft Windows (Version 18618362778)
(c) 2019 Microsoft Corporation. All rights reserved.
C:\gitlab runner>gitlab-runner.exe install
Runtime platform arch=i386 windows pid-11732 revision=4c96e5ad version-12.9.6
FATAL: Failed to install gitlab-runner: Access is denied.
C:\gitlab_runner
我需要知道如何解决这个问题以及为什么会出现这个问题。