It is genuine I verified it with an online rep. Ran the MGAdiag tool.
Got the following .Diagnostic Report (1.9.0027.0):
-----------------------------------------
Windows Validation Data-->
Validation Code: 50
Cached Online Validation Code: N/A, hr = 0x80070070
Windows Product Key: N/A, hr=0x80070070
Windows Product Key Hash: N/A, hr=0x80070070
Windows Product ID: 55041-091-8844846-86215
Windows Product ID Type: 6
Windows License Type: Volume MAK
Windows OS version: 6.1.7601.2.00010100.1.0.048
ID: {EC89FA4A-C2F5-40A8-8D89-DDB29553D3DD}(3)
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.140303-2144
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: 109 N/A
OGA Version: N/A, 0x80070002
Signed By: N/A, hr = 0x80070002
Office Diagnostics: B4D0AA8B-604-645_B4D0AA8B-604-645_025D1FF3-364-80041010_025D1FF3-229-80041010_025D1FF3-230-1_025D1FF3-517-80040154_025D1FF3-237-80040154_025D1FF3-238-2_025D1FF3-244-80070002_025D1FF3-258-3
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-->
File Mismatch: C:\Windows\system32\wat\watadminsvc.exe[Hr = 0x80070003]
File Mismatch: C:\Windows\system32\wat\npwatweb.dll[Hr = 0x80070003]
File Mismatch: C:\Windows\system32\wat\watux.exe[Hr = 0x80070003]
File Mismatch: C:\Windows\system32\wat\watweb.dll[Hr = 0x80070003]
File Mismatch: C:\Windows\system32\sppobjs.dll[6.1.7601.17514], Hr = 0x80092003
File Mismatch: C:\Windows\system32\sppc.dll[6.1.7601.17514], Hr = 0x800b0100
File Mismatch: C:\Windows\system32\sppcext.dll[6.1.7600.16385], Hr = 0x800b0100
File Mismatch: C:\Windows\system32\sppwinob.dll[6.1.7601.17514], Hr = 0x80092003
File Mismatch: C:\Windows\system32\slc.dll[6.1.7600.16385], Hr = 0x800b0100
File Mismatch: C:\Windows\system32\slcext.dll[6.1.7600.16385], Hr = 0x800b0100
File Mismatch: C:\Windows\system32\sppuinotify.dll[6.1.7600.16385], Hr = 0x80092003
File Mismatch: C:\Windows\system32\slui.exe[6.1.7601.17514], Hr = 0x80092003
File Mismatch: C:\Windows\system32\sppcomapi.dll[6.1.7601.17514], Hr = 0x800b0100
File Mismatch: C:\Windows\system32\sppcommdlg.dll[6.1.7600.16385], Hr = 0x800b0100
File Mismatch: C:\Windows\system32\sppsvc.exe[6.1.7601.17514], Hr = 0x80092003
File Mismatch: C:\Windows\system32\drivers\spsys.sys[6.1.7127.0], Hr = 0x80092003
File Mismatch: C:\Windows\system32\drivers\spldr.sys[6.1.7127.0], Hr = 0x80092003
File Mismatch: C:\Windows\system32\systemcpl.dll[6.1.7601.17514], Hr = 0x800b0100
File Mismatch: C:\Windows\system32\user32.dll[6.1.7601.17514], Hr = 0x800b0100
Other data-->
Office Details: <GenuineResults><MachineData><UGUID>{EC89FA4A-C2F5-40A8-8D89-DDB29553D3DD}</UGUID><Version>1.9.0027.0</Version><OS>6.1.7601.2.00010100.1.0.048</OS><Architecture>x64</Architecture><PKey>*****-*****-*****-*****-BBBBB</PKey><PID>55041-091-8844846-86215</PID><PIDType>6</PIDType><SID>S-1-5-21-1379822907-1120246070-2792746691</SID><SYSTEM><Manufacturer>Dell
Inc.</Manufacturer><Model>Studio XPS 7100</Model></SYSTEM><BIOS><Manufacturer>Dell Inc.</Manufacturer><Version>A04</Version><SMBIOSVersion major="2" minor="6"/><Date>20100722000000.000000+000</Date></BIOS><HWID>B4AE3E07018400F6</HWID><UserLCID>0409</UserLCID><SystemLCID>0409</SystemLCID><TimeZone>Pacific
Standard Time(GMT-08:00)</TimeZone><iJoin>0</iJoin><SBID><stat>3</stat><msppid></msppid><name></name><model></model></SBID><OEM><OEMID>DELL </OEMID><OEMTableID>FX09 </OEMTableID></OEM><GANotification/></MachineData><Software><Office><Result>109</Result><Products/><Applications/></Office></Software></GenuineResults>
Spsys.log Content: 0x80070002
Licensing Data-->
On a computer running Microsoft Windows non-core edition, run 'slui.exe 0x2a 0x80070070' to display the error text.
Error: 0x80070070
Windows Activation Technologies-->
HrOffline: 0x00000000
HrOnline: 0x00000000
HealthStatus: 0x0000000000000000
Event Time Stamp: 8:11:2014 23:55
ActiveX: Not Registered - 0x80040154
Admin Service: Not Registered - 0x80040154
HealthStatus Bitmask Output:
HWID Data-->
HWID Hash Current: NgAAAAEABAABAAIAAAADAAAAAQABAAEAln2My6gTVPkQM9j7VNwge64pDDdiPXLQCiYgNALQ
OEM Activation 1.0 Data-->
N/A
OEM Activation 2.0 Data-->
BIOS valid for OA 2.0: yes
Windows marker version: 0x20001
OEMID and OEMTableID Consistent: yes
BIOS Information:
ACPI Table Name OEMID Value OEMTableID Value
APIC DELL FX09
FACP DELL FX09
SRAT AMD FAM_F_10
HPET DELL OEMHPET
MCFG DELL OEMMCFG
SLIC DELL FX09
OSFR DELL FX09
OEMB DELL FX09
SSDT A M I POWERNOW
Also entered some commands
C:\Users\Ruben v>SFC /SCANFILE=C:\windows\system32\slui.exe
Windows Resource Protection did not find any integrity violations.
C:\Users\Ruben v>DIR C:\Windows\slui.* /S
Volume in drive C has no label.
Volume Serial Number is 24E0-8C61
Directory of C:\Windows\System32
11/20/2010 06:25 AM 349,696 slui.exe
1 File(s) 349,696 bytes
Directory of C:\Windows\System32\en-US
07/13/2009 07:25 PM 11,264 slui.exe.mui
1 File(s) 11,264 bytes
Directory of C:\Windows\winsxs\amd64_microsoft-windows-s..ty-spp-ux.resources_3
1bf3856ad364e35_6.1.7600.16385_en-us_54dae2e5153375ce
07/13/2009 07:25 PM 11,264 slui.exe.mui
1 File(s) 11,264 bytes
Directory of C:\Windows\winsxs\amd64_microsoft-windows-security-spp-ux_31bf3856
ad364e35_6.1.7600.16385_none_b7b69062b883381f
07/13/2009 06:39 PM 349,696 slui.exe
1 File(s) 349,696 bytes
Directory of C:\Windows\winsxs\amd64_microsoft-windows-security-spp-ux_31bf3856
ad364e35_6.1.7601.17514_none_b9e7a42ab571bbb9
11/20/2010 06:25 AM 349,696 slui.exe
1 File(s) 349,696 bytes
Total Files Listed:
5 File(s) 1,071,616 bytes
0 Dir(s) 17,048,399,872 bytes free
C:\Users\Ruben v>ICACLS C:\Windows\System32\slui.exe
C:\Windows\System32\slui.exe NT SERVICE\TrustedInstaller:(F)
BUILTIN\Administrators:(RX)
NT AUTHORITY\SYSTEM:(RX)
BUILTIN\Users:(RX)
Successfully processed 1 files; Failed processing 0 files