21
7
Next
()
.
4.1.3 Windows
Media Player
Windows Media Player 11
,
(
roll-back
)
.
1
.
2
Start
()
Control Panel
(
).
3
,
Add or Remove Programs
(
).
4
Windows Media Player 11
Remove
().
> .
5
OK
.
6
(
' ),
Restart
().
7
Start
()
.
8
,
Add or Remove Programs
(
).