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### Driver 驱动 |
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--- | ||
sidebar_position: 1 | ||
--- | ||
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### Permission 权限 | ||
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![](imgs\UAC.png) | ||
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在使用GeneralUpdate实现自动升级的时候,如果更新目录在C盘实现文件替换或打文件补丁时会出现权限问题。又因为windows11操作系统推出在C盘特定的目录相比之前推出的windows的操作系统加强了权限管理。 | ||
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那么稍微不注意将会触碰到权限管理的边界,接下来我们看看操作哪些目录会导致出现权限问题: | ||
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| 名称 | 目录 | | ||
| -------------- | ------------------------------------------ | | ||
| 系统文件夹 | C:\Windows | | ||
| 注册表配置文件 | C:\Windows\System32\config | | ||
| 驱动文件夹 | C:\Windows\System32\drivers | | ||
| 程序文件夹 | C:\Program Files 和 C:\Program Files (x86) | | ||
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推荐使用目录,避免权限问题: | ||
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| 名称 | 目录 | | ||
| ------------ | ------- | | ||
| 用户数据目录 | AppData | | ||
| 系统临时目录 | Temp | | ||
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### UAC降权 | ||
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以下方法不推荐在生产环境中使用,以免给用户造成损失。如果在更新过程中出现UAC (User Account Control)提示或无权限、拒绝访问的情况可以考虑降低UAC控制等级,这个思路在代码层面可以通过修改以下注册表达到目的: | ||
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| 注册表名称 | 修改值 | 默认值 | | ||
| -------------------------- | ------ | ------ | | ||
| enableLUA | 0 | 1 | | ||
| ConsentPromptBehaviorAdmin | 0 | 5 | | ||
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更新之前修改以上注册表(重启计算机生效),切记更新完成之后需要恢复该内容。 | ||
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c#修改注册表: | ||
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```c# | ||
using Microsoft.Win32; | ||
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public void UpdateRegistry() | ||
{ | ||
const string keyName = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System"; | ||
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using (RegistryKey key = Registry.LocalMachine.OpenSubKey(keyName, true)) | ||
{ | ||
if (key != null) | ||
{ | ||
key.SetValue("EnableLUA", 0, RegistryValueKind.DWord); | ||
key.SetValue("ConsentPromptBehaviorAdmin", 0, RegistryValueKind.DWord); | ||
} | ||
} | ||
} | ||
``` | ||
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bat批处理修改注册表: | ||
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```bat | ||
@echo off | ||
REG ADD "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v EnableLUA /t REG_DWORD /d 0 /f | ||
REG ADD "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v ConsentPromptBehaviorAdmin /t REG_DWORD /d 0 /f | ||
``` | ||
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参考内容: | ||
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- https://learn.microsoft.com/zh-cn/windows/security/application-security/application-control/user-account-control/how-it-works | ||
- https://blog.walterlv.com/post/windows-user-account-control.html |
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{ | ||
"label": "Guide", | ||
"position": 1, | ||
"link": { | ||
"type": "generated-index", | ||
"description": "指南." | ||
} | ||
} |
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