To help me, here is the MDADiag report:
Diagnostic Report (1.9.0027.0):
-----------------------------------------
Windows Validation Data-->
Validation Code: 0x8004FE22
Cached Online Validation Code: 0x0
Windows Product Key: *****-*****-CRQKW-MQRHH-DR6G7
Windows Product Key Hash: dsbF3NE0NlI3i0zf6EWOLaHA/ss=
Windows Product ID: 00371-OEM-9044056-53652
Windows Product ID Type: 3
Windows License Type: OEM System Builder
Windows OS version: 6.1.7601.2.00010100.1.0.048
ID: {0460EC7C-E8DB-44DA-A210-E9ACE75291C7}(1)
Is Admin: Yes
TestCab: 0x0
LegitcheckControl ActiveX: N/A, hr = 0x80070002
Signed By: N/A, hr = 0x80070002
Product Name: Windows 7 Professional
Architecture: 0x00000009
Build lab: 7601.win7sp1_gdr.111118-2330
TTS Error:
Validation Diagnostic:
Resolution Status: N/A
Vista WgaER Data-->
ThreatID(s): N/A, hr = 0x80070002
Version: N/A, hr = 0x80070002
Windows XP Notifications Data-->
Cached Result: N/A, hr = 0x80070002
File Exists: No
Version: N/A, hr = 0x80070002
WgaTray.exe Signed By: N/A, hr = 0x80070002
WgaLogon.dll Signed By: N/A, hr = 0x80070002
OGA Notifications Data-->
Cached Result: N/A, hr = 0x80070002
Version: N/A, hr = 0x80070002
OGAExec.exe Signed By: N/A, hr = 0x80070002
OGAAddin.dll Signed By: N/A, hr = 0x80070002
OGA Data-->
Office Status: 100 Genuine
Microsoft Office Standard 2007 - 100 Genuine
OGA Version: N/A, 0x80070002
Signed By: N/A, hr = 0x80070002
Office Diagnostics: 025D1FF3-364-80041010_025D1FF3-229-80041010_025D1FF3-230-1_025D1FF3-517-80040154_025D1FF3-237-80040154_025D1FF3-238-2_025D1FF3-244-80070002_025D1FF3-258-3_E2AD56EA-765-d003_E2AD56EA-766-0_E2AD56EA-134-80004005
Browser Data-->
Proxy settings: N/A
User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Win32)
Default Browser: C:\Program Files (x86)\Mozilla Firefox\firefox.exe
Download signed ActiveX controls: Prompt
Download unsigned ActiveX controls: Disabled
Run ActiveX controls and plug-ins: Allowed
Initialize and script ActiveX controls not marked as safe: Disabled
Allow scripting of Internet Explorer Webbrowser control: Disabled
Active scripting: Allowed
Script ActiveX controls marked as safe for scripting: Allowed
File Scan Data-->
Other data-->
Office Details: <GenuineResults><MachineData><UGUID>{0460EC7C-E8DB-44DA-A210-E9ACE75291C7}</UGUID><Version>1.9.0027.0</Version><OS>6.1.7601.2.00010100.1.0.048</OS><Architecture>x64</Architecture><PKey>*****-*****-*****-*****-DR6G7</PKey><PID>00371-OEM-9044056-53652</PID><PIDType>3</PIDType><SID>S-1-5-21-854205448-1941402469-663443498</SID><SYSTEM><Manufacturer>Gigabyte Technology Co., Ltd.</Manufacturer><Model>EX58-UD3R</Model></SYSTEM><BIOS><Manufacturer>Award Software International, Inc.</Manufacturer><Version>FB </Version><SMBIOSVersion major="2" minor="4"/><Date>20090504000000.000000+000</Date></BIOS><HWID>15B83E07018400FE</HWID><UserLCID>0813</UserLCID><SystemLCID>0413</SystemLCID><TimeZone>Romance (standaardtijd)(GMT+01:00)</TimeZone><iJoin>0</iJoin><SBID><stat>3</stat><msppid></msppid><name></name><model></model></SBID><OEM/><GANotification/></MachineData><Software><Office><Result>100</Result><Products><Product GUID="{91120000-0012-0000-0000-0000000FF1CE}"><LegitResult>100</LegitResult><Name>Microsoft Office Standard 2007</Name><Ver>12</Ver><Val>9D01E4C20A64710</Val><Hash>nN5M5mBJQN0/+656YwUo4fQ8F+k=</Hash><Pid>81607-904-9251443-64870</Pid><PidType>1</PidType></Product></Products><Applications><App Id="16" Version="12" Result="100"/><App Id="18" Version="12" Result="100"/><App Id="1A" Version="12" Result="100"/><App Id="1B" Version="12" Result="100"/></Applications></Office></Software></GenuineResults>
Spsys.log Content: 0x80070002
Licensing Data-->
C:\Windows\system32\slmgr.vbs(22, 1) (null): DLL-bestand is niet geregistreerd.
Windows Activation Technologies-->
HrOffline: 0x8004FE22
HrOnline: N/A
HealthStatus: 0x0000000000000800
Event Time Stamp: 4:9:2012 19:55
ActiveX: Registered, Version: 7.1.7600.16395
Admin Service: Registered, Version: 7.1.7600.16395
HealthStatus Bitmask Output:
Tampered File: %systemroot%\system32\slui.exe|slui.exe.mui|COM Registration
HWID Data-->
HWID Hash Current: PgAAAAIABgABAAEAAwACAAAAAQABAAEAonac7AhQFT9GvAw1hDTkvwiFwo9AJUhpBGB39sKPmohk8/QB6oI=
OEM Activation 1.0 Data-->
N/A
OEM Activation 2.0 Data-->
BIOS valid for OA 2.0: yes, but no SLIC table
Windows marker version: N/A
OEMID and OEMTableID Consistent: N/A
BIOS Information:
ACPI Table Name OEMID Value OEMTableID Value
APIC GBT GBTUACPI
FACP GBT GBTUACPI
HPET GBT GBTUACPI
MCFG GBT GBTUACPI
EUDS GBT
TAMG GBT GBT B0
SSDT INTEL PPM RCM