<s>
The	O
Windows	B-Device
Installer	I-Device
CleanUp	I-Device
Utility	I-Device
(	O
MSICU.exe	O
,	O
MSICUU.exe	O
,	O
MSICUU2.exe	B-Device
)	O
was	O
a	O
software	B-Application
utility	I-Application
for	O
the	O
Microsoft	B-Application
Windows	I-Application
operating	I-Application
system	I-Application
designed	O
to	O
solve	O
uninstallation	O
problems	O
of	O
programs	O
that	O
use	O
the	O
Windows	B-Application
Installer	I-Application
technology	O
.	O
</s>
<s>
It	O
looks	O
up	O
registry	O
references	O
and	O
files	O
related	O
to	O
Windows	B-Application
Installer	I-Application
that	O
were	O
installed	O
by	O
various	O
programs	O
,	O
and	O
forcibly	O
wipes	O
invalid	O
entries	O
out	O
.	O
</s>
<s>
It	O
works	O
in	O
all	O
32-bit	O
and	O
64-bit	O
versions	O
of	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
Microsoft	O
first	O
released	O
the	O
utility	O
in	O
1999	O
to	O
help	O
Windows-based	O
computers	O
clean	O
up	O
installed	O
programs	O
that	O
would	O
either	O
refuse	O
or	O
pretend	O
not	O
to	O
remove	O
themselves	O
from	O
the	O
"	O
add/remove	O
programs	O
"	O
feature	O
in	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
The	O
utility	O
only	O
changes	O
registry	O
values	O
and	O
files	O
associated	O
with	O
Windows	B-Application
Installer	I-Application
and	O
does	O
not	O
remove	O
any	O
files	O
associated	O
with	O
installed	O
programs	O
.	O
</s>
<s>
Only	O
users	O
who	O
have	O
logged	O
in	O
as	O
system	B-Application
administrators	I-Application
may	O
run	O
the	O
utility	O
.	O
</s>
<s>
For	O
developers	O
who	O
have	O
problems	O
with	O
the	O
Windows	B-Application
Installer	I-Application
automatically	O
repairing	O
their	O
own	O
installations	O
on	O
developer	O
machines	O
(	O
when	O
the	O
developer	O
has	O
manually	O
updated	O
some	O
of	O
the	O
binaries	O
)	O
,	O
this	O
utility	O
is	O
ideal	O
to	O
remove	O
the	O
Windows	B-Application
Installer	I-Application
information	O
whilst	O
leaving	O
the	O
actual	O
installation	O
intact	O
.	O
</s>
<s>
Microsoft	O
retired	O
the	O
Windows	B-Device
Installer	I-Device
CleanUp	I-Device
utility	I-Device
on	O
June	O
25	O
,	O
2010	O
,	O
due	O
to	O
conflicts	O
with	O
Microsoft	B-Application
Office	I-Application
2007	I-Application
.	O
</s>
<s>
A	O
Program	O
Install	O
and	O
Uninstall	O
Troubleshooter	O
for	O
Windows	B-Device
7	I-Device
,	O
Windows	B-Application
8	I-Application
,	O
Windows	B-Device
8.1	I-Device
and	O
Windows	B-Operating_System
10	I-Operating_System
was	O
instead	O
made	O
available	O
.	O
</s>
