I am getting this from time to time as warning: what should I do to stop it from happening?

Here is the event viewer findings:
[COLOR=#0000ff]<[/COLOR][COLOR=#990000]Event[/COLOR][COLOR=#ff0000] xmlns[/COLOR][COLOR=#0000ff]="[/COLOR][B][COLOR=#ff0000]http://schemas.microsoft.com/win/2004/08/events/event[/COLOR][/B][COLOR=#0000ff]">[/COLOR]
[URL="file:///C:/Users/Deirdre.Dinningroom/AppData/Local/Temp/tmp4131.xml#"][B][FONT=Courier New][COLOR=#ff0000]-[/COLOR][/FONT][/B][/URL] [COLOR=#0000ff]<[/COLOR][COLOR=#990000]System[/COLOR][COLOR=#0000ff]>[/COLOR]
[B][FONT=Courier New][/FONT][/B] [COLOR=#0000ff]<[/COLOR][COLOR=#990000]Provider[/COLOR] [COLOR=#990000]Name[/COLOR][COLOR=#0000ff]="[/COLOR][B]Microsoft-Windows-User Profiles Service[/B][COLOR=#0000ff]"[/COLOR][COLOR=#990000] Guid[/COLOR][COLOR=#0000ff]="[/COLOR][B]{89B1E9F0-5AFF-44A6-9B44-0A07A7CE5845}[/B][COLOR=#0000ff]"[/COLOR][COLOR=#990000] EventSourceName[/COLOR][COLOR=#0000ff]="[/COLOR][B]profsvc[/B][COLOR=#0000ff]" />[/COLOR]

[B][FONT=Courier New][/FONT][/B] [COLOR=#0000ff]<[/COLOR][COLOR=#990000]EventID Qualifiers[/COLOR][COLOR=#0000ff]="[/COLOR][B]32768[/B][COLOR=#0000ff]">[/COLOR][B]1530[/B][COLOR=#0000ff]</[/COLOR][COLOR=#990000]EventID[/COLOR][COLOR=#0000ff]>[/COLOR]

[B][FONT=Courier New][/FONT][/B] [COLOR=#0000ff]<[/COLOR][COLOR=#990000]Version[/COLOR][COLOR=#0000ff]>[/COLOR][B]0[/B][COLOR=#0000ff]</[/COLOR][COLOR=#990000]Version[/COLOR][COLOR=#0000ff]>[/COLOR]

[B][FONT=Courier New][/FONT][/B] [COLOR=#0000ff]<[/COLOR][COLOR=#990000]Level[/COLOR][COLOR=#0000ff]>[/COLOR][B]3[/B][COLOR=#0000ff]</[/COLOR][COLOR=#990000]Level[/COLOR][COLOR=#0000ff]>[/COLOR]

[B][FONT=Courier New][/FONT][/B] [COLOR=#0000ff]<[/COLOR][COLOR=#990000]Task[/COLOR][COLOR=#0000ff]>[/COLOR][B]0[/B][COLOR=#0000ff]</[/COLOR][COLOR=#990000]Task[/COLOR][COLOR=#0000ff]>[/COLOR]

[B][FONT=Courier New][/FONT][/B] [COLOR=#0000ff]<[/COLOR][COLOR=#990000]Opcode[/COLOR][COLOR=#0000ff]>[/COLOR][B]0[/B][COLOR=#0000ff]</[/COLOR][COLOR=#990000]Opcode[/COLOR][COLOR=#0000ff]>[/COLOR]

[B][FONT=Courier New][/FONT][/B] [COLOR=#0000ff]<[/COLOR][COLOR=#990000]Keywords[/COLOR][COLOR=#0000ff]>[/COLOR][B]0x80000000000000[/B][COLOR=#0000ff]</[/COLOR][COLOR=#990000]Keywords[/COLOR][COLOR=#0000ff]>[/COLOR]

[B][FONT=Courier New][/FONT][/B] [COLOR=#0000ff]<[/COLOR][COLOR=#990000]TimeCreated[/COLOR] [COLOR=#990000]SystemTime[/COLOR][COLOR=#0000ff]="[/COLOR][B]2007-08-27T20:40:56.000Z[/B][COLOR=#0000ff]" />[/COLOR]

[B][FONT=Courier New][/FONT][/B] [COLOR=#0000ff]<[/COLOR][COLOR=#990000]EventRecordID[/COLOR][COLOR=#0000ff]>[/COLOR][B]5479[/B][COLOR=#0000ff]</[/COLOR][COLOR=#990000]EventRecordID[/COLOR][COLOR=#0000ff]>[/COLOR]

[B][FONT=Courier New][/FONT][/B] [COLOR=#0000ff]<[/COLOR][COLOR=#990000]Correlation[/COLOR] [COLOR=#0000ff]/>[/COLOR]

[B][FONT=Courier New][/FONT][/B] [COLOR=#0000ff]<[/COLOR][COLOR=#990000]Execution[/COLOR] [COLOR=#990000]ProcessID[/COLOR][COLOR=#0000ff]="[/COLOR][B]0[/B][COLOR=#0000ff]"[/COLOR][COLOR=#990000] ThreadID[/COLOR][COLOR=#0000ff]="[/COLOR][B]0[/B][COLOR=#0000ff]" />[/COLOR]

[B][FONT=Courier New][/FONT][/B] [COLOR=#0000ff]<[/COLOR][COLOR=#990000]Channel[/COLOR][COLOR=#0000ff]>[/COLOR][B]Application[/B][COLOR=#0000ff]</[/COLOR][COLOR=#990000]Channel[/COLOR][COLOR=#0000ff]>[/COLOR]

[B][FONT=Courier New][/FONT][/B]

[B][FONT=Courier New][/FONT][/B][COLOR=#0000ff]<[/COLOR][COLOR=#990000]Security[/COLOR] [COLOR=#990000]UserID[/COLOR][COLOR=#0000ff]="[/COLOR][B]S-1-5-18[/B][COLOR=#0000ff]" />[/COLOR]

[B][FONT=Courier New][/FONT][/B] [COLOR=#0000ff]</[/COLOR][COLOR=#990000]System[/COLOR][COLOR=#0000ff]>[/COLOR]


[URL="file:///C:/Users/Deirdre.Dinningroom/AppData/Local/Temp/tmp4131.xml#"][B][FONT=Courier New][COLOR=#ff0000]-[/COLOR][/FONT][/B][/URL] [COLOR=#0000ff]<[/COLOR][COLOR=#990000]EventData Name[/COLOR][COLOR=#0000ff]="[/COLOR][B]EVENT_HIVE_LEAK[/B][COLOR=#0000ff]">[/COLOR]
[B][FONT=Courier New][/FONT][/B] [COLOR=#0000ff]<[/COLOR][COLOR=#990000]Data Name[/COLOR][COLOR=#0000ff]="[/COLOR][B]Detail[/B][COLOR=#0000ff]">[/COLOR][B]1 user registry handles leaked from \Registry\User\S-1-5-21-21220703-1048178462-1126961888-1004_Classes: Process 952 (\Device\HarddiskVolume2\Windows\System32\svchost.exe) has opened key \REGISTRY\USER\S-1-5-21-21220703-1048178462-1126961888-1004_CLASSES[/B][COLOR=#0000ff]</[/COLOR][COLOR=#990000]Data[/COLOR][COLOR=#0000ff]>[/COLOR]

[B][FONT=Courier New][/FONT][/B] [COLOR=#0000ff]</[/COLOR][COLOR=#990000]EventData[/COLOR][COLOR=#0000ff]>[/COLOR]


[B][FONT=Courier New][/FONT][/B] [COLOR=#0000ff]</[/COLOR][COLOR=#990000]Event[/COLOR][COLOR=#0000ff]>[/COLOR]
[COLOR=#0000ff]snow[/COLOR]

I am having same problem:

[B]Event 1530, User Profile Service [/B]
[FONT=Arial][SIZE=3][COLOR=#000000]Description:[/COLOR][/SIZE][/FONT]
[SIZE=3][COLOR=#000000][FONT=Arial]Windows detected your registry file is still in use by other applications or services. The file will be unloaded now. The applications or services that hold your registry file may not function properly afterwards. [/FONT][/COLOR][/SIZE]
[SIZE=3][COLOR=#000000][FONT=Arial][/FONT][/COLOR][/SIZE]
[SIZE=3][COLOR=#000000][FONT=Arial]Have you managed to resolve this problem?[/FONT][/COLOR][/SIZE]
[SIZE=3][COLOR=#000000][FONT=Arial]Can anyone else out there help [/FONT][/COLOR][/SIZE]
[SIZE=3][COLOR=#000000][FONT=Arial][/FONT][/COLOR][/SIZE]
[SIZE=3][COLOR=#000000][FONT=Arial]Many thanks [/FONT][/COLOR][/SIZE]