Follow these instructions carefully:
Click Start - Run, type in REGEDIT, then click OK.
When the registry editor window appears, click the + in
HKEY_LOCAL_MACHINE
Software
Microsoft
Windows
CurrentVersion
then click directly on
Run
to expose its entries in the right pane.
Right-click an empty space in the right pane, then click New - String Value.
Type in
ScanRegistry
then press the Enter key.
Right-click this new entry, then click Modify.
Type in
C:\WINDOWS\scanregw.exe /autorun
then click OK.
Right-click an empty space in the right pane, then click New - String Value.
Type in
SystemTray
then press the Enter key.
Right-click this new entry, then click Modify.
Type in
SysTray.exe
then click OK.
Close the registry editor window, then reboot.
Note: Make sure that everything in bold type is typed in EXACTLY as you see it here, and make sure there's a space before the slash( / ).