Step 1: Start Registry EditorClick 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.
Perform the same steps for the LowerFilters.
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.
