Windows XP Pro & Vista Business/Ultimate/Enterprise
- Start-> Control Panel
- Administrative tools-> Local security policy
- Click on Software Restriction Policy-> Action (at the top)-> create new restriction policies
- Right-click additional rules (on the right side)-> new path rule
- Path = C:\Program Files\Avira\AntiVir Desktop\avnotify.exe
- Set the security level to Disallowed-> apply-> ok
Windows 2000/XP HOME: (2000 & XP Pro do not require you to boot into safe mode)
- Boot into Safe Mode
- Log in using the Administrator account
- Go to C:\Program Files\Avira\AntiVir Desktop\avnotify.exe
- Right-click avnotify.exe-> properties-> security-> advanced
- Under the Permissions tab click on SYSTEM under Permission entries:
- Edit-> Traverse Folder / Execute File-> deny-> ok ->apply-> yes -> ok-> ok
- Reboot the computer into Normal Mode (start-> shutdown-> restart)
Windows Vista Home Premium
- Go to C:\Program Files\Avira\AntiVir Desktop\avnotify.exe
- Right-click avnotify.exe-> properties-> security->
- Under the group or username SYSTEM click edit
- Put a checkmark under the DENY column for "read and execute"
Windows 2000:
- Click Start, and then click Run
- In the Open box, type gpedit.msc, and then click OK
- Expand User Configuration, expand Administrative Templates, and then expand System
- In the right pane, double-click Don't run specified Windows applications
- Click Enabled, and then click Show
- Click Add, and then type the executable file name of the program (avnotify.exe) that you want to restrict users from running.
- Click OK, click OK, and then click OK (NOTE: If domain-level policy settings are defined, they may override this local policy setting.)
- Quit Group Policy Object Editor
- Restart the computer
Disable the splash screen
- Open regedit and navigate to [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
- In the right pane double-click avgnt and add /nosplash at the end of the path (ex. /min /nosplash)
If the Windows XP method doesn't work, try the one for Windows 2000. Before giving up, try setting a restriction on avnotify.dll as well.