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Solve : firewall settings change after every boot. help?

Answer» for some REASON every time after i boot my vista home PREMIUM sp1 laptop after a couple of minutes of windows started, firewall and network SHARING settings change. every time i have to change it back. dunno why this is happening.
appreciate any info.
dunno if its related but have tis event viewer logs tat looked strange to me (among like 400 different ones in one minute -!? and even if its not related is it something ok? wat is it saying?)
by the way, some time ago my computer was infected by backdoor:win32/refpron.A. supposedly it was removed.


A Windows Filtering Platform filter has been changed.

general tab
Subject:
Security ID: LOCAL SERVICE
Account Name: NT AUTHORITY\LOCAL SERVICE

PROCESS Information:
Process ID: 1644

PROVIDER Information:
ID: {decc16ca-3f33-4346-be1e-8fb4ae0f3d62}
Name: Windows Firewall

Change Information:
Change Type: Delete

Filter Information:
ID: {0aa8b2a7-d8e6-4574-8b79-5389071e8fa2}
Name: Port Scanning Prevention Filter
Type: Boot-time
Run-Time ID: 68324

Layer Information:
ID: {7fb03b60-7b8d-4dfa-badd-980176fc4e12}
Name: Outbound ICMP Error v6 Layer
Run-Time ID: 34

Callout Information:
ID: {00000000-0000-0000-0000-000000000000}
Name: -

Additional Information:
Weight: 18446744073709551615
Conditions:
Condition ID: {632ce23b-5167-435c-86d7-e903684aa80c}
Match value: No flags set
Condition value: 0x00000001

Condition ID: {0c1ba1af-5765-453f-af22-a8f791ac775b}
Match value: Equal to
Condition value: 0x0001

Filter Action: Block
---------------------------------------------------------------------
details tab
+ System

- Provider

[ Name] Microsoft-Windows-Security-Auditing
[ Guid] {54849625-5478-4994-a5ba-3e3b0328c30d}

EventID 5447

Version 0

Level 0

Task 13573

Opcode 0

Keywords 0x8020000000000000

- TimeCreated

[ SystemTime] 2009-05-24T19:44:53.406Z

EventRecordID 483055

Correlation

- Execution

[ ProcessID] 636
[ ThreadID] 1004

Channel Security

Security


- EventData

ProcessId 1644
UserSid S-1-5-19
UserName NT AUTHORITY\LOCAL SERVICE
ProviderKey {DECC16CA-3F33-4346-BE1E-8FB4AE0F3D62}
ProviderName Windows Firewall
ChangeType %%16385
FilterKey {0AA8B2A7-D8E6-4574-8B79-5389071E8FA2}
FilterName Port Scanning Prevention Filter
FilterType %%16386
FilterId 68324
LayerKey {7FB03B60-7B8D-4DFA-BADD-980176FC4E12}
LayerName Outbound ICMP Error v6 Layer
LayerId 34
Weight 18446744073709551615
Conditions Condition ID: {632ce23b-5167-435c-86d7-e903684aa80c} Match value: No flags set Condition value: 0x00000001 Condition ID: {0c1ba1af-5765-453f-af22-a8f791ac775b} Match value: Equal to Condition value: 0x0001
Action %%16389
CalloutKey {00000000-0000-0000-0000-000000000000}
CalloutName -

--------------------------------------------------------------------
--------------------------------------------------------------------log2
general tab
A Windows Filtering Platform filter has been changed.

Subject:
Security ID: LOCAL SERVICE
Account Name: NT AUTHORITY\LOCAL SERVICE

Process Information:
Process ID: 1644

Provider Information:
ID: {decc16ca-3f33-4346-be1e-8fb4ae0f3d62}
Name: Windows Firewall

Change Information:
Change Type: Delete

Filter Information:
ID: {0aa8b2a7-d8e6-4574-8b79-5389071e8fa2}
Name: Port Scanning Prevention Filter
Type: Boot-time
Run-Time ID: 68324

Layer Information:
ID: {7fb03b60-7b8d-4dfa-badd-980176fc4e12}
Name: Outbound ICMP Error v6 Layer
Run-Time ID: 34

Callout Information:
ID: {00000000-0000-0000-0000-000000000000}
Name: -

Additional Information:
Weight: 18446744073709551615
Conditions:
Condition ID: {632ce23b-5167-435c-86d7-e903684aa80c}
Match value: No flags set
Condition value: 0x00000001

Condition ID: {0c1ba1af-5765-453f-af22-a8f791ac775b}
Match value: Equal to
Condition value: 0x0001

Filter Action: Block
------------------------------------------------------------------------------
details tab
+ System

- Provider

[ Name] Microsoft-Windows-Security-Auditing
[ Guid] {54849625-5478-4994-a5ba-3e3b0328c30d}

EventID 5447

Version 0

Level 0

Task 13573

Opcode 0

Keywords 0x8020000000000000

- TimeCreated

[ SystemTime] 2009-05-24T19:44:53.406Z

EventRecordID 483055

Correlation

- Execution

[ ProcessID] 636
[ ThreadID] 1004

Channel Security

Security


- EventData

ProcessId 1644
UserSid S-1-5-19
UserName NT AUTHORITY\LOCAL SERVICE
ProviderKey {DECC16CA-3F33-4346-BE1E-8FB4AE0F3D62}
ProviderName Windows Firewall
ChangeType %%16385
FilterKey {0AA8B2A7-D8E6-4574-8B79-5389071E8FA2}
FilterName Port Scanning Prevention Filter
FilterType %%16386
FilterId 68324
LayerKey {7FB03B60-7B8D-4DFA-BADD-980176FC4E12}
LayerName Outbound ICMP Error v6 Layer
LayerId 34
Weight 18446744073709551615
Conditions Condition ID: {632ce23b-5167-435c-86d7-e903684aa80c} Match value: No flags set Condition value: 0x00000001 Condition ID: {0c1ba1af-5765-453f-af22-a8f791ac775b} Match value: Equal to Condition value: 0x0001
Action %%16389
CalloutKey {00000000-0000-0000-0000-000000000000}
CalloutName -


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