Hi,
Hast Du hier schon mal reingeschaut:
http://de.mcafee.com/root/genericUR...LeftNav=/common/de/html_files/support_nav.asp
leider nur in englisch und für die englische Windows-Version:
Manual Uninstall of VirusScan Online
Edit the registry.
From the taskbar, click the Start button.
Click Run.
Type regedit and click OK.
Press the Home key on your keyboard.
The Registry Editor appears. From the menubar, click Registry.
Note: If using Windows XP, click File.
Click Export registry.
In the File Name field, type backup.
Click Save.
Note: If you need to restore the registry, double-click on the backup file to restore it.
Click (+) next to HKEY_LOCAL_MACHINE.
Click (+) next to Software.
Click (+) next to Microsoft.
Click (+) next to Windows.
Click (+) next to CurrentVersion.
Select the Run folder.
Right-click and delete each of the following (if present):
• VirusScan Online
• MCUpdateExe
• MCAgentExe
Note: If you have any other McAfee items in this folder, delete them.
Close the Registry Editor.
Restart your computer.
Remove your Temporary Internet files (cache).
Close any applications running in the background.
Open Internet Explorer.
On the menubar, click the Tools.
Click Internet Options.
The Internet Options dialog box appears. On the General tab, click Delete Files in the Temporary Internet files section.
Check the Delete all offline content box and click OK.
Click Apply, if available.
Click OK to close the window.
Delete all McAfee files/folders.
From the taskbar, click Start.
Click Run.
Type Explorer and click OK.
Double-click My Computer.
Double-click C: drive.
Delete the MC?????.tmp folder(s), if present.
Note: ? = these could be numbers or letters.
From the C: drive, double-click Program Files.
Double-click McAfee.
Delete the VSO and Shared folders, if present.
Close the Windows Explorer window.
Click the Start button.
Click Run.
Type %windir% and click OK.
Look and delete the MCBIN folder (if exists).
If VirusScan Online is the only McAfee service installed on your computer, uninstall SecurityCenter.
Dirk
