Removing Blank Startup Items from MSConfig
1. First, enable the item if it’s already disabled, and then click Apply. This moves back the entry to the "Run" registry key, which you can edit manually.
2. Note down where the blank entry is located in the registry, by expanding and viewing the Location column. (Hint: HKLM represents HKEY_LOCAL_MACHINE registry branch, and HKCU means HKEY_CURRENT_USER)
3. Click Start, Run. Type Regedit.exe and press ENTER.
4. Navigate to the registry branch that you noted in Step 2.
5. Right-click on the value which has blank data, and choose Delete.
Additional Note: If the (Default) or unnamed value has blank data, you’ll have to delete that as well. Right-click on the (Default) and choose Delete. It should now read as (value not set