我首先在Google查询此问题解决方案的关键字为 “McAfee 初始化 Common Updater 子系统失败”，找到的结果非常多，但多为如何重装McAfee的方法，其余的也属无效答案，尤其是百度知道上的问答页面，其内容简直是匪夷所思。实在受不了，将查询的关键字变为“mcafee common updater ffffffdf”，只看英文结果。查询结果第一条就是McAfee官方知识库，在那里一次性找到了解决问题的方法，不得不悲叹国人回答科学式问题的漫不经心。
解决方法如下：
Re-Register the OLE32.DLL to Re-Populate the Registry
To re-register the OLE32.DLL:
Click Start, Run, type CMD and press ENTER.
From the command prompt, type: Regsvr32.exe %Windir%System32Ole32.dll and press ENTER.
The following RegSvr32 popup message is displayed:
DllRegisterServer in C:WINNTSystem32ole32.dll succeeded
Click OK.
只需要重新注册ole32.dll即可。我尝试按步骤走了一遍，立即见效。
第二种方法：
运行regedit进入注册表,删除以下：
HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesMcAfee Framework
HKEY_LOCAL_MACHINESOFTWARENetwork AssociatesTVD
HKEY_LOCAL_MACHINESOFTWARENetwork AssociatesePolicy orchestrator
以上三个必须删除 然后重启计算机 重启后删除以下目录
C:Program FilesNetwork AssociatesCommon Framework
C:Documents and SettingsAll UsersApplication DataNetwork Associates
如果没有all Users目录，或者all users 目录下没有Network Associates 目录的，利用查找功能，将Network Associates目录删除！
卸载，重装后问题解决。
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其他办法：
可能有用户在Windows XP SP2测试版下使用McAfee时会遇到更新失败的情况。为了解决这个问题，你需要做如下设置：
1、“运行”>“dcomcnfg.exe”
2、双击“组件服务>计算机>我的电脑”
3、展开“DCOM配置”，打开“FrameworkService”项的属性。
4、选到“FrameworkService属性”中的“安全”选项卡
5、在“启动与激活权限”下选“自定义”，点击“编辑”按钮。
6、在弹出的“启动权限”对话框中，“添加”你的windows登录帐号和SYSTEM两个用户帐号，并分别给与“本地激活”的权限，确定退出。
7、OK，问题解决了，现在McAfee可以正常更新了~
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另外一个方法
1、Run：dcomcnfg.exe（在开始－运行里键入dcomconfig，执行）
2、Component Services - Computers - My COmputer - DCOM config
3、找到FrameworkService，在Properties里选择Security页签，将Launch and Activation Permissions 设置为“User Default”。
如果不安装macfee的防火墙就一共应该有7个进程：
UpdaterUI.exe、shstat.exe、Tbmon.exe 、Vstskmgr.exe 、Mcshield.exe 、Frameworkservice.exe 、naPrdMgr.exe
UpdaterUI.exe：自动升级进（咖啡一个星期升级一次。）
shstat.exe：也就是你系统栏里那个盾牌一样的图标，启动项处于注册表内.(装完重新启动系统后，图标才会出现在系统任务栏中。不过，即使没有图标，VirusScan Enterprise 仍在运行，且您的计算机仍受到保护。）
您可以通过检查以下注册表键进行确认：
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionRun ShStatEXE="C:Program FilesNetwork AssociatesVirusScanSHSTAT.EXE"/STANDALONE
Tbmon.exe：错误报告程序
Vstskmgr.exe（Network Associates Task Manager）：这个东西属于系统服务。
Mcshield.exe：咖啡的核心，系统服务！
Frameworkservice.exe（McAfee Framework 服务，McAfee 产品的共享组件框架）：咖啡的后台框架进程，属于服务。平时关闭的话，经过我测试是不影响普通使用的，但是会影响升级，且这个进程和Vstskmgr.exe不一样，他不能自动的去启动服务，如果你调整成手动，那么你非得自己动手去启动这个服务，才能运行升级程序。
naPrdMgr.exe：这个进程以前的版本就有，它是个Frameworkservice.exe在一起的，如果Frameworkservice.exe被停止，则它绝对不会在任务管理器里出现。
下面就打开你的咖啡，（右击系统托盘咖啡的图标，选virusscan控制台)
McAfeeFramework启动失败后
McAfee无法更新病毒库报错及安装时报错情况下:
错误1920/1923,“服务McAfeeFramework启动失败。确认有足够的权限启动系统服务.”及 “初始化常规更新程序子系统失败。确保McAfee Framework Service 正在运行。 McAfee Common Framework 返回错误fffff95b@2/fffFFBC @ 3”等。
可以采用一种彻底的解决方法(基本解决MCAFEE出现的各种故障)
具体如下：
第一步：卸载McAfee产品，可以直接从添加删除程序中删除，也可采用命令卸载：
McAfee8.0 uninstall:
msiexec /x {7B256F27-273D-4358-8DBE-8C910EAF8857} REMOVE=ALL REBOOT=R /q
第二步：卸载agent： (没有使用MCAFEE EPO 的请跳过这一步)
McAfee Common Management Agent卸载：
"X:/Program Files/Network Associates/Common Framework/FrmInst.exe" /Remove=Agent
第三步：清理相关注册表
删除McAfee Common Management Agent服务(删除McAfeeFramework键值)：
HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services/McAfeeFramework
McAfee VirusScan服务(删除McShield及McTaskManager键值)：
HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services/McShield
HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services/McTaskManager
如下注册表处有相关键值直接删除：
HKEY_LOCAL_MACHINE/SOFTWARE/Network Associates
HKEY_CURRENT_USER/Software/Network Associates
RUN键值项（删除ShStatEXE及McAfeeUpdaterUI键值）：
HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/Windows/CurrentVersion/Run/ShStatEXE
HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/Windows/CurrentVersion/Run/McAfeeUpdaterUI
第四步：重启计算机；
第五步：删除相关McAfee目录(删除相关Network Associates目录):
X:/Documents and Settings/All Users/Application Data/Network Associates
X:/Program Files/Network Associates
第六步：重新安装MCAFEE,安装最新的Sdatxxxx,立即在线更新即可
第三种说法:
废话不多说，升级mcafee时出现初始化Common updater子系统失败，重装修复问题依然存在，不能解决，看图：
一共有两种解决办法，其一是复制 FrameworkManifest.xml 这个文件来覆盖，其二是删除 FrameworkManifest.xml并重新安装Common Management Agent (CMA)
8.5.0.i版本的FrameworkManifest.xml文件下载：
/201103/other/mcafee_fix.rar
官方的bug说明：
Corporate KnowledgeBase
ERROR: McAfee Common Framework returned error fffff95b @ 2 (issue: FrameworkManifest.xml corrupt)
Corporate KnowledgeBase ID: KB54520
Published: August 08, 2008
Environment
McAfee Common Management Agent 3.60
McAfee Common Management Agent 3.5x
McAfee VirusScan Enterprise 8.5i
McAfee VirusScan Enterprise 8.0i
Problem 1
The following errors occur after initiating an AutoUpdate:
McAfee Common Framework returned error fffff95b @ 2. (FrameworkManifest.xml corrupt)
Failed to initialize common updater subsystem
Make sure the McAfee Framework Services is running
Problem 2
Subsequent errors when trying to start the McAfee Framework Service:
Could not start the McAfee Framework Service on Local Computer
The system cannot find the file specified
Problem 3
Any of the following update methods will result in the AutoUpdate error:
Right-clicking the McShield icon in the system tray and selecting Update Now
Right-clicking the AutoUpdate in the VirusScan Console and clicking Start
Creating a new scheduled task
Editing the properties of the existing AutoUpdate task
Cause
FrameworkManifest.xml has become corrupted.
Solution 1
McAfee Agent 4.0
Changes in the design of the McAfee Agent 4.0 will prevent the corruption of the FrameworkManifest.xml file.
To download the McAfee Agent from the www.mcafee.com website, see KB54808 .
Solution 2
Common Management Agent
Solution 1 - Obtain FrameworkManifest.xml from another computer:
Locate another VirusScan Enterprise (VSE) computer where the updates are working without error.
Copy the FrameworkManifest.xml from the following path:
For VSE 8.5i (running on Windows Vista)
x:Program DataMcAfeeCommon Framework
For VSE 8.5i (running on Windows XP and earlier)
x:Documents and SettingsAll UsersApplication DataMcAfeeCommon Framework
For VSE 8.0i (running on Windows XP and earlier)
x:Documents and SettingsAll UsersApplication DataNetwork AssociatesCommon Framework
Paste the file to portable media or network share that can be accessed by both computers.
Click Start, Run, type services.msc, and click OK.
Right-click McAfee Framework Service and select Stop.
Copy FrameworkManifest.xml to the Common Framework directory.
Right-click McAfee Framework Service and select Start.
Update the product.
Solution 2 - Delete FrameworkManifest.xml and reinstall the Common Management Agent (CMA)
It is necessary to delete FrameworkManifest.xml because it may not be removed or replaced when an uninstall/re-install is undertaken.
Step 1 - Allow VSE files and settings to be modified (VirusScan Enterprise 8.5i and higher only)
Click Start, Programs, McAfee, VirusScan Console.
Right-click Access Protection, then select Properties.
Select Common Standard Protection.
Select Prevent modification of McAfee files and settings and disable this option.
Click OK.
Step 2 - Delete FrameworkManifest.xml and reinstall CMA:
Delete FrameworkManifest.xml from the following path:
For VSE 8.5i (running on Windows Vista)
x:Program DataMcAfeeCommon Framework
For VSE 8.5i (running on Windows XP and earlier)
x:Documents and SettingsAll UsersApplication DataMcAfeeCommon Framework
For VSE 8.0i (running on Windows XP and earlier)
x:Documents and SettingsAll UsersApplication DataNetwork AssociatesCommon Framework
Restart your computer.
Re-install the Common Management Agent (CMA) / ePO agent.
NOTE: CMA is available for download from the McAfee Downloads site. See KB54808.
Previous Document ID
5432392
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官方的解决方法原介绍页面是
https://kc.mcafee.com/corporate/index?page=content&id=KB54520
