有用科技小编2026/09/16
浏览9776
阅读13分钟d3dx9_43.dll 丢失，多出现在《群星》这类用 DirectX 9.0c 的游戏启动那一下。先看清弹窗里点名的是哪个 dll，再判断是 DirectX 9.0c 运行库没装、文件被安全软件隔离，还是 32 位游戏读错了文件夹，按这个顺序处理，多数机器不用重装系统就能进游戏。
这类报错基本来自运行库缺失或文件被误删，显卡和硬盘本身大多没坏，不必急着换硬件或送修。以下方法在 Windows 10/11 实测可用。
适用系统：Windows 10/11；最后更新：2026-09-16。
先弄清楚：这个 dll 到底缺在哪一步
点开《群星》，屏幕上跳出的是「无法启动此程序，因为计算机中丢失 d3dx9_43.dll。尝试重新安装该程序以解决此问题。」，偶尔还会带一个 0xc000007b。这两种提示看着像，处理方向差得挺远：前者是文件层面缺了 d3dx9_43.dll，后者常见于 32 位和 64 位组件装混了。
32 位游戏在 64 位 Windows 上读的是 C:\Windows\SysWOW64，不是 C:\Windows\System32，这是很多人补了文件还报错的原因。
'/%3E%3Crect%20x='28'%20y='64'%20width='264'%20height='96'%20rx='12'%20fill='%23ffffff'%20stroke='%23dbe3ec'%20stroke-width='1.5'/%3E%3Crect%20x='28'%20y='64'%20width='264'%20height='6'%20rx='3'%20fill='%232b86f0'/%3E%3Ccircle%20cx='58'%20cy='106'%20r='17'%20fill='%23e1eefd'/%3E%3Cg%20transform='translate(58,106)'%3E%3Cpath%20d='M0%20-9%20L9%208%20L-9%208%20Z'%20fill='none'%20stroke='%232b86f0'%20stroke-width='2.4'%20stroke-linejoin='round'/%3E%3Cline%20x1='0'%20y1='-2'%20x2='0'%20y2='3'%20stroke='%232b86f0'%20stroke-width='2.4'%20stroke-linecap='round'/%3E%3Ccircle%20cx='0'%20cy='6'%20r='1.4'%20fill='%232b86f0'/%3E%3C/g%3E%3Ctext%20x='82.0'%20y='102'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='700'%3E运行库缺失%3C/text%3E%3Ctext%20x='82.0'%20y='124'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='12.5'%20fill='%235b6b7b'%20text-anchor='start'%20font-weight='400'%3E没装DirectX9.0c%3C/text%3E%3Crect%20x='308'%20y='64'%20width='264'%20height='96'%20rx='12'%20fill='%23ffffff'%20stroke='%23dbe3ec'%20stroke-width='1.5'/%3E%3Crect%20x='308'%20y='64'%20width='264'%20height='6'%20rx='3'%20fill='%23155fc4'/%3E%3Ccircle%20cx='338'%20cy='106'%20r='17'%20fill='%23e1eefd'/%3E%3Cg%20transform='translate(338,106)'%3E%3Cline%20x1='-7'%20y1='-7'%20x2='7'%20y2='7'%20stroke='%232b86f0'%20stroke-width='2.6'%20stroke-linecap='round'/%3E%3Cline%20x1='7'%20y1='-7'%20x2='-7'%20y2='7'%20stroke='%232b86f0'%20stroke-width='2.6'%20stroke-linecap='round'/%3E%3C/g%3E%3Ctext%20x='362.0'%20y='102'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='700'%3E文件被隔离%3C/text%3E%3Ctext%20x='362.0'%20y='124'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='12.5'%20fill='%235b6b7b'%20text-anchor='start'%20font-weight='400'%3E杀软误删了它%3C/text%3E%3Crect%20x='28'%20y='176'%20width='264'%20height='96'%20rx='12'%20fill='%23ffffff'%20stroke='%23dbe3ec'%20stroke-width='1.5'/%3E%3Crect%20x='28'%20y='176'%20width='264'%20height='6'%20rx='3'%20fill='%232b86f0'/%3E%3Ccircle%20cx='58'%20cy='218'%20r='17'%20fill='%23e1eefd'/%3E%3Cg%20transform='translate(58,218)'%3E%3Cpath%20d='M8%20-2%20A9%209%200%201%200%206%207'%20fill='none'%20stroke='%232b86f0'%20stroke-width='2.4'%20stroke-linecap='round'/%3E%3Cpath%20d='M8%20-8%20L8%20-2%20L2%20-2'%20fill='none'%20stroke='%232b86f0'%20stroke-width='2.4'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3C/g%3E%3Ctext%20x='82.0'%20y='214'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='700'%3E目录放错%3C/text%3E%3Ctext%20x='82.0'%20y='236'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='12.5'%20fill='%235b6b7b'%20text-anchor='start'%20font-weight='400'%3E32位游戏读SysWOW64%3C/text%3E%3Crect%20x='308'%20y='176'%20width='264'%20height='96'%20rx='12'%20fill='%23ffffff'%20stroke='%23dbe3ec'%20stroke-width='1.5'/%3E%3Crect%20x='308'%20y='176'%20width='264'%20height='6'%20rx='3'%20fill='%23155fc4'/%3E%3Ccircle%20cx='338'%20cy='218'%20r='17'%20fill='%23e1eefd'/%3E%3Cg%20transform='translate(338,218)'%3E%3Crect%20x='-7'%20y='-7'%20width='14'%20height='14'%20rx='2'%20fill='none'%20stroke='%232b86f0'%20stroke-width='2.2'/%3E%3Cline%20x1='-7'%20y1='-2'%20x2='-11'%20y2='-2'%20stroke='%232b86f0'%20stroke-width='2'/%3E%3Cline%20x1='-7'%20y1='3'%20x2='-11'%20y2='3'%20stroke='%232b86f0'%20stroke-width='2'/%3E%3Cline%20x1='7'%20y1='-2'%20x2='11'%20y2='-2'%20stroke='%232b86f0'%20stroke-width='2'/%3E%3Cline%20x1='7'%20y1='3'%20x2='11'%20y2='3'%20stroke='%232b86f0'%20stroke-width='2'/%3E%3C/g%3E%3Ctext%20x='362.0'%20y='214'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='700'%3E安装不完整%3C/text%3E%3Ctext%20x='362.0'%20y='236'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='12.5'%20fill='%235b6b7b'%20text-anchor='start'%20font-weight='400'%3E游戏目录文件损坏%3C/text%3E%3C/svg%3E)
先对照弹窗原文和游戏文件夹，判断问题卡在哪一层，再对症处理，能省掉一大堆反复重装的时间。
方法1 先看弹窗和目录，确认到底缺什么
先别急着找 dll 下载，把弹窗原文和游戏文件夹看一遍，能少走一大半弯路。
操作步骤
- 看清弹窗原文：是「无法启动此程序，因为计算机中丢失 d3dx9_43.dll」，还是 0xc000007b 这类错误码，两者的修复方向不同
- 按 Win+R 打开运行框，输入 appwiz.cpl 回车，在程序列表里找有没有 DirectX 最终用户运行时或 DirectX 9.0c
- Steam 库右键《群星》→ 管理 → 浏览本地文件，看游戏根目录里是否已经有 d3dx9_43.dll
- 打开 Windows 安全中心 → 病毒和威胁防护 → 保护历史记录，确认这个文件是否被隔离过
判断标准很直接：程序列表里找不到 DirectX 9.0c，就是运行库没装；游戏文件夹里明明有文件却仍然报错，多半是被安全软件挡住，或者位置放偏了。
补 dll 有两条路子，走对方向比反复试错省时间。
'/%3E%3Crect%20x='28'%20y='64'%20width='262'%20height='142'%20rx='12'%20fill='%23fdeeec'%20stroke='%23e8604c'%20stroke-width='1.5'/%3E%3Crect%20x='28'%20y='64'%20width='262'%20height='42'%20rx='12'%20fill='%23e8604c'/%3E%3Crect%20x='28'%20y='94'%20width='262'%20height='12'%20fill='%23e8604c'/%3E%3Cg%20transform='translate(50,85)'%3E%3Ccircle%20r='12'%20fill='%23ffffff'/%3E%3Cpath%20d='M-5%20-5%20l10%2010%20M5%20-5%20l-10%2010'%20fill='none'%20stroke='%23e8604c'%20stroke-width='2.6'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3C/g%3E%3Ctext%20x='70'%20y='91'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%23ffffff'%20text-anchor='start'%20font-weight='700'%3E误区%3C/text%3E%3Ccircle%20cx='50'%20cy='126'%20r='3'%20fill='%23e8604c'/%3E%3Ctext%20x='64'%20y='130'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='400'%3E网上单独下载%20dll%3C/text%3E%3Ccircle%20cx='50'%20cy='152'%20r='3'%20fill='%23e8604c'/%3E%3Ctext%20x='64'%20y='156'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='400'%3E直接丢进游戏目录%3C/text%3E%3Ccircle%20cx='50'%20cy='178'%20r='3'%20fill='%23e8604c'/%3E%3Ctext%20x='64'%20y='182'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='400'%3E来源不明有风险%3C/text%3E%3Crect%20x='310'%20y='64'%20width='262'%20height='142'%20rx='12'%20fill='%23e1eefd'%20stroke='%232b86f0'%20stroke-width='1.5'/%3E%3Crect%20x='310'%20y='64'%20width='262'%20height='42'%20rx='12'%20fill='%232b86f0'/%3E%3Crect%20x='310'%20y='94'%20width='262'%20height='12'%20fill='%232b86f0'/%3E%3Cg%20transform='translate(332,85)'%3E%3Ccircle%20r='12'%20fill='%23ffffff'/%3E%3Cpath%20d='M-5%200%20l4%204%20l7%20-8'%20fill='none'%20stroke='%232b86f0'%20stroke-width='2.6'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3C/g%3E%3Ctext%20x='352.0'%20y='91'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%23ffffff'%20text-anchor='start'%20font-weight='700'%3E正确%3C/text%3E%3Ccircle%20cx='332'%20cy='126'%20r='3'%20fill='%232b86f0'/%3E%3Ctext%20x='346.0'%20y='130'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='400'%3E装DirectX9.0c运行库%3C/text%3E%3Ccircle%20cx='332'%20cy='152'%20r='3'%20fill='%232b86f0'/%3E%3Ctext%20x='346.0'%20y='156'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='400'%3E用系统命令补回文件%3C/text%3E%3Ccircle%20cx='332'%20cy='178'%20r='3'%20fill='%232b86f0'/%3E%3Ctext%20x='346.0'%20y='182'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='400'%3E从官方渠道获取%3C/text%3E%3C/svg%3E)
方法2 安装 DirectX 9.0c 最终用户运行库
d3dx9_43.dll 本身就是 DirectX 9.0c 里的一员，装上官方运行库，比从别处单独找一个文件靠谱，d3dx9_24 到 d3dx9_43 这一整串会一次补齐。
操作步骤
- 获取 directx_Jun2010_redist.exe，也就是 DirectX 9.0c 最终用户运行库
- 双击后先选一个解压文件夹，例如 D:\DX9，解压完成后进入该文件夹
- 运行里面的 DXSETUP.exe → 勾选「我接受此协议」→ 点击下一步，等组件逐个装完
- 装完必须重启电脑，重启后再启动《群星》验证
DXSETUP.exe 跑到一半卡住不动时，通常是旧版组件还占用着安装程序，重启一次再跑一般就过了。装完之后不要只重启游戏，先把电脑重启一遍。
方法3 检查并放回 SysWOW64 目录
64 位 Windows 里，32 位游戏读的是 C:\Windows\SysWOW64，文件放错文件夹等于没放。《群星》是 32 位程序，缺的正是这一份。
操作步骤
- 按 Win+R 输入 cmd 回车，执行 dir C:\Windows\SysWOW64\d3dx9_43.dll，看这个文件是否存在
- 对应关系记住：32 位游戏读 C:\Windows\SysWOW64，64 位程序读 C:\Windows\System32
- 缺失时用 expand 命令解包：expand D:\DX9\Jun2010_D3DX9_43_x86.cab -F:d3dx9_43.dll C:\Windows\SysWOW64
- 右键这个文件 → 属性 → 数字签名，确认签名方是 Microsoft Windows 再继续
命令提示符窗口要选「以管理员身份运行」，否则往 C:\Windows\SysWOW64 写东西会被系统直接拒绝。
文件到底在哪，决定了下一步该做什么，先对照自己的情况。
'/%3E%3Crect%20x='230'%20y='82'%20width='140'%20height='44'%20rx='10'%20fill='%232b86f0'/%3E%3Ctext%20x='300.0'%20y='110'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%23ffffff'%20text-anchor='middle'%20font-weight='700'%3E文件缺失%3C/text%3E%3Cpath%20d='M300%20126%20C300%20174%2045%20132%2045%20184'%20fill='none'%20stroke='%232b86f0'%20stroke-width='2'/%3E%3Crect%20x='-13'%20y='184'%20width='116'%20height='46'%20rx='10'%20fill='%23e1eefd'%20stroke='%232b86f0'%20stroke-width='1.8'/%3E%3Ctext%20x='45.0'%20y='204'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='12.5'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3ESysWOW64里有该%3C/text%3E%3Ctext%20x='45.0'%20y='221'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='12.5'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E文件%3C/text%3E%3Cpath%20d='M300%20126%20C300%20174%20215%20132%20215%20184'%20fill='none'%20stroke='%23e8604c'%20stroke-width='2'/%3E%3Crect%20x='157'%20y='184'%20width='116'%20height='46'%20rx='10'%20fill='%23fdeeec'%20stroke='%23e8604c'%20stroke-width='1.8'/%3E%3Ctext%20x='215.0'%20y='204'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='12.5'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E两个目录都找不到%3C/text%3E%3Cpath%20d='M300%20126%20C300%20174%20385%20132%20385%20184'%20fill='none'%20stroke='%23e8604c'%20stroke-width='2'/%3E%3Crect%20x='327'%20y='184'%20width='116'%20height='46'%20rx='10'%20fill='%23fdeeec'%20stroke='%23e8604c'%20stroke-width='1.8'/%3E%3Ctext%20x='385.0'%20y='204'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='12.5'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E只在游戏目录里有%3C/text%3E%3Cpath%20d='M300%20126%20C300%20174%20555%20132%20555%20184'%20fill='none'%20stroke='%23e8604c'%20stroke-width='2'/%3E%3Crect%20x='497'%20y='184'%20width='116'%20height='46'%20rx='10'%20fill='%23fdeeec'%20stroke='%23e8604c'%20stroke-width='1.8'/%3E%3Ctext%20x='555.0'%20y='204'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='12.5'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E杀软隔离区里能看%3C/text%3E%3Ctext%20x='555.0'%20y='221'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='12.5'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E到%3C/text%3E%3C/svg%3E)
用「软领驱动大师」更省事
手动补 dll 要一个个对文件、对文件夹，游戏缺的往往也不止一个 d3dx9_43.dll，用软领驱动大师可以一次把这类问题处理掉。
游戏修复会扫描《群星》运行需要的 d3dx9 系列、VC++ 运行库等组件，缺哪个补哪个，不用再逐个 dll 去下载、去对 C:\Windows\SysWOW64 还是 System32。启动报缺文件的游戏，大多扫描一次就能进得去。
系统修复处理的是被替换或损坏的系统组件，对应手动敲 sfc /scannow 和 DISM /Online /Cleanup-Image /RestoreHealth 那两条命令。组件存储修好之后，d3dx9_43.dll 放回去才不会又被破坏一次，游戏启动弹窗也不会反复出现。
软领是知名国产软件品牌，20 年技术沉淀、服务千万用户。软领官网 wyouhua.com 直接下载，安装无捆绑勾选项；软件里可点客服按钮联系真人客服，复杂情况有工程师远程协助。
方法4 用 sfc 与 DISM 修复系统组件
系统组件被替换或损坏时，dll 补回去还会被再破坏一次，这一步修的是系统文件本身。
操作步骤
- 按 Win+X → 终端(管理员) 或 命令提示符(管理员)，权限不足会让修复跑到一半失败
- 执行 sfc /scannow，等验证进度走到 100%，中途不要关闭窗口
- 提示「Windows 资源保护找到了损坏文件但无法修复其中某些文件」时，继续执行 DISM /Online /Cleanup-Image /RestoreHealth
- DISM 报 0x800f081f 时，换成 DISM /Online /Cleanup-Image /RestoreHealth /Source:E:\sources\install.wim /LimitAccess 再跑一次，E 替换成你的镜像盘符
- 两条命令都跑完重启电脑，再启动游戏看弹窗是否消失
sfc 和 DISM 读的是同一份组件存储，顺序不能颠倒，命令跑完要重启，改动才会生效。
方法5 验证游戏文件并排除杀软反复拦截
只补一个 dll，游戏本体文件损坏或者安全软件反复隔离，弹窗还会再来，最后这一步要把两边一起确认。
操作步骤
- Steam 库右键《群星》→ 属性 → 已安装文件 → 验证游戏文件的完整性
- 检查 d3dx9_24 到 d3dx9_43 这一系列是否都缺，缺多个时按方法2重新装一遍运行库
- 把游戏文件夹和 Steam 安装文件夹加入杀毒软件的排除项，防止文件被再次隔离
- 重装运行库后再验证一次文件完整性，重启电脑后再试玩
游戏装在 C:\Program Files (x86)\Steam\steamapps\common 这类默认位置时，排除项要把整个 steamapps 文件夹加进去，只加单个文件没用。
走完这四步还报错，问题通常不在运行库这一层，把弹窗原文、错误码和系统版本一起发给游戏官方支持，比继续重装有效。
'/%3E%3Crect%20x='28'%20y='94'%20width='122'%20height='78'%20rx='12'%20fill='%23ffffff'%20stroke='%232b86f0'%20stroke-width='2'/%3E%3Ccircle%20cx='48'%20cy='94'%20r='15'%20fill='%232b86f0'/%3E%3Ctext%20x='48.0'%20y='99'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%23ffffff'%20text-anchor='middle'%20font-weight='700'%3E1%3C/text%3E%3Ctext%20x='89.25'%20y='138.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E验证游戏文件%3C/text%3E%3Cpath%20d='M154%20124%20l9%209%20l-9%209'%20fill='none'%20stroke='%232b86f0'%20stroke-width='3'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3Crect%20x='168'%20y='94'%20width='122'%20height='78'%20rx='12'%20fill='%23ffffff'%20stroke='%232b86f0'%20stroke-width='2'/%3E%3Ccircle%20cx='188'%20cy='94'%20r='15'%20fill='%232b86f0'/%3E%3Ctext%20x='188.5'%20y='99'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%23ffffff'%20text-anchor='middle'%20font-weight='700'%3E2%3C/text%3E%3Ctext%20x='229.75'%20y='138.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E补齐d3dx9系列%3C/text%3E%3Cpath%20d='M295%20124%20l9%209%20l-9%209'%20fill='none'%20stroke='%232b86f0'%20stroke-width='3'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3Crect%20x='309'%20y='94'%20width='122'%20height='78'%20rx='12'%20fill='%23ffffff'%20stroke='%232b86f0'%20stroke-width='2'/%3E%3Ccircle%20cx='329'%20cy='94'%20r='15'%20fill='%232b86f0'/%3E%3Ctext%20x='329.0'%20y='99'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%23ffffff'%20text-anchor='middle'%20font-weight='700'%3E3%3C/text%3E%3Ctext%20x='370.25'%20y='138.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E排除杀软误拦%3C/text%3E%3Cpath%20d='M436%20124%20l9%209%20l-9%209'%20fill='none'%20stroke='%232b86f0'%20stroke-width='3'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3Crect%20x='450'%20y='94'%20width='122'%20height='78'%20rx='12'%20fill='%232b86f0'%20stroke='%232b86f0'%20stroke-width='2'/%3E%3Ccircle%20cx='470'%20cy='94'%20r='15'%20fill='%23155fc4'/%3E%3Ctext%20x='469.5'%20y='99'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%23ffffff'%20text-anchor='middle'%20font-weight='700'%3E4%3C/text%3E%3Ctext%20x='510.75'%20y='138.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%23ffffff'%20text-anchor='middle'%20font-weight='600'%3E重启并试玩%3C/text%3E%3C/svg%3E)
常见问题
群星提示找不到 d3dx9_43.dll，装完 DirectX 9.0c 还是报错怎么办？
按 Win+R 输入 appwiz.cpl，看程序列表里是否真的装上了 DirectX 最终用户运行时。没装成功就重跑一次 DXSETUP.exe；装上了还报错，用 dir C:\Windows\SysWOW64\d3dx9_43.dll 确认文件在不在，再检查是不是被安全软件隔离了。
d3dx9_43.dll 丢失和报 0xc000007b 是同一个原因吗？
不完全一样。前者多半是运行库缺失或文件被删；0xc000007b 常见于 32 位和 64 位组件装混、DirectX 与 VC++ 运行库版本对不上，补 dll 之外还要把运行库整套重装一遍。
Win11 64 位系统里 d3dx9_43.dll 应该放 System32 还是 SysWOW64？
看读它的是哪个程序。《群星》是 32 位游戏，读的是 C:\Windows\SysWOW64；纯 64 位程序才读 C:\Windows\System32。放错文件夹，游戏照样找不到。
从网上下载的 d3dx9_43.dll 直接放进游戏文件夹安全吗？
不建议。来源不明的 dll 可能被改过，装上去轻则报 0xc000007b，重则带来木马。走 DirectX 9.0c 官方运行库补齐，或者用 expand 从 cab 包里解出文件更稳妥。
杀毒软件总把 d3dx9_43.dll 当病毒隔离，怎么彻底解决？
在 Windows 安全中心 → 病毒和威胁防护 → 排除项里，把游戏文件夹和 Steam 的 steamapps 文件夹加进去，再从隔离区还原这个文件。之后重装一次运行库，让文件恢复成官方版本。
推荐阅读
d3dx9_43.dll丢失怎么解决群星d3dx9_43.dll丢失d3dx9_43.dll丢失怎么解决win11软领驱动大师 
提示