Error: "1920 Service Defwatch failed to start. Verify that you have sufficient privileges to start system services"
Delete leftover registry keys from a previous version of Symantec or Norton AntiVirus Corporate Edition
Leftover registry keys from a previous version of Symantec or Norton AntiVirus Corporate Edition can cause this problem. Delete the registry keys and then install Symantec AntiVirus again.
WARNING: In the next steps you will edit the Windows registry. Back up the registry before you make any changes to it, because incorrect changes to the registry can result in permanent data loss or corrupted files. Modify only the registry keys that are specified.
For instructions, see How to back up the Windows registry.
To delete the registry key
- On the Windows taskbar, click Start > Run.
- In the Open box, type the following text:
regedit - Click OK.
- In the Windows Registry Editor, in the left pane, click My Computer.
- On the Edit menu, click Find.
- In the Find what box, type the following text:
VirusProtect6
Delete all keys and values that contain this string. - Go to and delete the following key:
HKEY_LOCAL_MACHINE\SOFTWARE\INTEL\DLLUsage\VP6
- Exit the Windows Registry Editor.