To manually remove Dell Support Center 3:

(The preferred method is to uninstall via the control panel, but the following steps are provided for special cases)

• Hit the Windows and R keys at the same time.
• Type: CMD
• Press ENTER (a command window should appear)
• Type: msiexec /x {0090A87C-3E0E-43D4-AA71-A71B06563A4A}
• Press ENTER
• If a message is displayed stating that this command is only valid for installed products, then perform the next steps.

• Type: msiexec /x {F7A70D00-F283-45c8-B163-49EC365D7E27}
• Press ENTER

Once the Uninstall has completed or if an error occurs preventing the uninstall from completing, you can ensure a full cleanup by performing the following steps:

[XP ONLY]

• Hit the Windows key (only)
• Type %ALLUSERSPROFILE%
• Press ENTER
• Open the Application Data folder
• Delete the PCDr folder
• Go back to the folder that contained Application Data
• Open the Start Menu folder
• Open the Programs folder
• Delete the Dell Support Center folder

[Vista and Windows 7]

• Hit the Windows key (only)
• Type %PROGRAMDATA%
• Press ENTER
• Delete the PCDr folder
• Open the Microsoft folder
• Open the Windows folder
• Open the Start Menu folder
• Open the Programs folder
• Delete the Dell Support Center folder

[ALL]

• Hit the Windows key (only)
• Type %APPDATA%
• Press ENTER
• Delete the PCDr folder

• Hit the Windows key (only)
• Type %PROGRAMFILES%
• Press ENTER
• Delete the Dell Support Center folder, if it exists

• Hit the Windows key (only)
• Type %TEMP%
• Press ENTER
• Delete the contents of this folder.  (Note: Some files may be in use, but you can simply skip these.)

• Hit the Windows and R keys at the same time.
• Type CMD
• Press ENTER
• Type (or copy/paste) each of the following lines and press ENTER to run each one (Note: you may receive an error when running these commands if the uninstaller was already able to remove them):
  • reg delete HKLM\SOFTWARE\PC-Doctor /f
  • reg delete HKCU\SOFTWARE\PC-Doctor /f
  • reg delete HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\C78A0900E0E34D34AA177AB16065A3A4 /f
  • reg delete HKCR\Installer\Products\C78A0900E0E34D34AA177AB16065A3A4 /f
  • schtasks /delete /tn PCDoctorBackgroundMonitorTask /f
  • schtasks /delete /tn SystemToolsDailyTest /f
  • schtasks /delete /tn PCDEventLauncher /f

Finally, if the uninstall in the first step above failed,you should now open the Control Panel.

[XP ONLY]

• Open Add/Remove programs
• Select Dell Support Center from the list
• Click the Uninstall button
• You should be presented with the option toremove this item from the list since it is no longer installed.

[Vista and Windows 7]

• Open Program and Features
• Select Dell Support Center from the list
• Click the Uninstall button
• You should be presented with the option toremove this item from the list since it is no longer installed.

To install the latest available version of Dell Support Center:

• Visit DellSupportCenter.com
• Select your region
• Click Download Now
• Select Run to begin the download and installation.

Standalone installation files may be found here.

IF YOU STILL HAVE PROBLEMS, PLEASE POST IN THE Dell Microsoft OS Forum Thanks.