1. Close BlackBerry Desktop Manager.
2. Open the Control Panel and double-click Add/Remove Programs.
3. Select BlackBerry Desktop Software and click Change/Remove.
4. On the InstallShield® Wizard window, click the Remove option, followed by Next.
5. On the Uninstall Options window, select the checkbox labeled Remove all user settings for BlackBerry Desktop Software.
6. On the Confirm Uninstall window, click OK.
7. On the InstallShield Wizard window, click Finish.

1. Close BlackBerry Desktop Manager.
2. Open the Control Panel and double-click Programs.
3. Select Installed Programs.
4. Select BlackBerry Desktop Software and click File.
5. Select Change/Remove.
6. On the InstallShield Wizard window, click the Remove option, followed by Next.
7. On the Uninstall Options window, select the checkbox labeled Remove all user settings for BlackBerry Desktop Software.
8. On the Confirm Uninstall window, click OK.
9. On the InstallShield Wizard window, click Finish.

1. Click Start > Run.
2. Type Regedit, and then click OK.
3. In the Registry Editor, delete the Research In Motion folder located in HKEY_CURRENT_USER\Software\
4. Delete the Research In Motion folder located in HKEY_LOCAL_MACHINE\Software\
   
   Note: This key is not present in BlackBerry Desktop Software 4.0.
5. Remove the BlackBerry Desktop Software folder under HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
   

Note: Two keys exist at this location, for example they appear as the following:

• {<number>}
  
• BlackBerry {<number>}
  

1. Close BlackBerry Desktop Manager.
2. Open the Control Panel and double-click Add/Remove Programs.
3. Select BlackBerry Desktop Software and click Change/Remove.
4. On the InstallShield Wizard window, click the Remove option, followed by Next.
5. On the Confirm Uninstall window, click OK.
6. On the InstallShield Wizard window, click Finish.

1. Click Start > Run.
2. Type Regedit, and then click OK.
3. In the Registry Editor, delete the Research In Motion folder located in HKEY_CURRENT_USER\Software\
4. Delete the Research In Motion folder located in HKEY_LOCAL_MACHINE\Software\ Note: This key is not present in BlackBerry Desktop Software 4.0.
   
5. Remove the BlackBerry Desktop Software folder under HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall Note: Two keys exist at this location, for example they appear as the following:
   
   • {<number>}
   • BlackBerry {<number>}

1. In the Registry Editor, delete the Puma Technology folder located in HKEY_CURRENT_USER\Software\
2. Delete the Pumatech key folder located in HKEY_LOCAL_MACHINE\Software\
3. Close the Registry Editor.

For Windows 2000 or XP

1. Open Windows Explorer.
2. Delete the Research In Motion folder in C:\Program Files\ Note: This key may not be present if you are removing BlackBerry Desktop Manager 4.0.
   
3. Delete the Research In Motion folder in C:\Program Files\Common Files (if present).
4. Delete the Research In Motion folder in C:\Documents and Settings\<user name>\Application Data\ Note: If you are unable to see the Application Data folder, it may be a hidden system folder. See the Additional Information section of this article for instructions on how to display hidden files and folders.
   
5. If you are running BlackBerry Desktop Software 4.0 Service Pack 1, delete the BlackBerry Desktop folder in C:\Documents and Settings\<user names>\Application Data\

For Microsoft Windows 98 or ME

1. Open Microsoft Windows Explorer.
2. Delete the Research In Motion folder in C:\Program Files\
3. Delete the Research In Motion folder in C:\Windows\Application Data\

• If you are running BlackBerry Desktop Software 4.0 Service Pack 1 or later, delete the Pumatech Desktop Setup folder located in C:\Program Files\Research In Motion\
• If you are running a version of BlackBerry Desktop Software earlier than 4.0.1, delete the Pumatech Shared folder located in C:\Program Files\Common Files\