Microsoft
Manually delete the registry entries
Important This article contains information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986 (
http://support.microsoft.com/kb/256986/) Description of the Microsoft Windows registry
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.Log on to Windows by using an account that has administrator rights and permissions. Then, follow these steps.
Step 1: Start Registry Editor
Click
Start, click
Run, type regedit, and then click
OK. Registry Editor starts.
Step 2: Delete the UpperFilters registry entry
1.In Registry Editor, expand
My Computer, and then expand
HKEY_LOCAL_MACHINE.2.Expand
SYSTEM, and then expand
CurrentControlSet.3.Expand
Control, and then expand
Class.4.Under
Class, click
{4D36E965-E325-11CE-BFC1-08002BE10318}.5.In the right pane (topic area), click
UpperFilters.
Note An
UpperFilters.bak registry entry may also appear. To delete the
UpperFilters registry entry, you must click
UpperFilters and not
UpperFilters.bak.6.On the
Edit menu, click
Delete.7.When you receive the following message, click
Yes to confirm the deletion of the UpperFilters registry entry: Are you sure you want to delete this value?
The UpperFilters registry entry is removed from the {4D36E965-E325-11CE-BFC1-08002BE10318} registry subkey.
Note Do not exit Registry Editor. You must have this program for the next step.
Step 3: Delete the LowerFilters registry entry
1.In Registry Editor, expand
My Computer, and then expand
HKEY_LOCAL_MACHINE.2.Expand
SYSTEM, and then expand
CurrentControlSet.3.Expand
Control, and then expand
Class.4.Under
Class, click
{4D36E965-E325-11CE-BFC1-08002BE10318}.5.In the right pane (topic area), click
LowerFilters.
Note An
LowerFilters.bak registry entry may also appear. To delete the
LowerFilters registry entry, you must click
LowerFilters and not
LowerFilters.bak.6.On the
Edit menu, click
Delete.7.When you receive the following message, click
Yes to confirm the deletion of the LowerFilters registry entry: Are you sure you want to delete this value?
The LowerFilters registry entry is removed from the {4D36E965-E325-11CE-BFC1-08002BE10318} registry subkey.8.Exit Registry Editor.
Step 4: Restart the computer