Serious problems might occur if you modify the registry incorrectly. Important: Follow the steps in this method carefully. The issues fixed by this method shouldn’t occur in Windor later. This method should be used on Windows 7, Windows 8 or 8.1, or Windows 10 version 1507. To verify that you are signed in as an administrator, bring up the Control Panel, select User Accounts, and then choose Manage User Accounts. To use this method, you must be logged on to Windows as an administrator. Type 1 in the Value data box, and then select OK. Right-click Controller0, point to New, and then select DWORD(32-bit) Value. Right-click atapi, point to New, then select Key. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\atapi In the navigation pane, locate the following registry subkey: If you are prompted for an administrator password or for a confirmation, type the password, or select Allow. Type regedit in the Run box, then press Enter. Press the Windows logo key + R to open the Run box. To create the registry subkey, follow these steps: If your problem is not solved, try the next method. Check with the creator of the app to see if there is an updated version. If so, try uninstalling and reinstalling the affected app. Before you modify it, back up the registry for restoration in case problems occur.Īfter trying this method, some apps, such as CD or DVD recording software, might not work correctly. To verify that you are signed in as an administrator, bring up the Control Panel, select User Accounts, and then choose Manage User Accounts.įollow the steps in this section carefully. Note: To use this method, you must be logged on to Windows as an administrator. Note If you do not see the LowerFilters registry entry, go to the next method.
When you are prompted to confirm the deletion, select Yes. If you do not see the UpperFilters registry entry, you still might have to remove the LowerFilters registry entry. Note You may also see an UpperFilters.bak registry entry. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\ In the navigation pane, locate and then select the following registry subkey: If you are prompted for an administrator password or for a confirmation, type the password, or select Allow Type regedit in the Run dialog box, then press Enter. Press the Windows logo key + R to open the Run dialog box. To use Registry Editor to delete the corrupted Registry entries, follow these steps: This problem may be caused by two Windows registry entries that have become corrupted.
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