first result was from my test server
this one from prod.server:
2010-04-13 10:08:05.765 Log opened. (Time zone: UTC+02:00)
2010-04-13 10:08:05.765 Setup version: Inno Setup version 5.3.6 (a)
2010-04-13 10:08:05.765 Original Setup EXE: C:\beta40\Setup.exe
2010-04-13 10:08:05.765 Setup command line: /SL5="$F390262,8677795,64512,C:\beta40\Setup.exe"
2010-04-13 10:08:05.765 Windows version: 5.01.2600 SP3 (NT platform: Yes)
2010-04-13 10:08:05.765 64-bit Windows: No
2010-04-13 10:08:05.765 Processor architecture: x86
2010-04-13 10:08:05.765 User privileges: Administrative
2010-04-13 10:08:05.796 64-bit install mode: No
2010-04-13 10:08:05.796 Created temporary directory: C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\is-49PBA.tmp
2010-04-13 10:08:12.312 OS: osWinXpPro
2010-04-13 10:08:12.484 Previous Data:
2010-04-13 10:08:12.484 DboInstalled: yes
2010-04-13 10:08:12.484 SvcInstalled: yes
2010-04-13 10:08:12.484 WebInstalled: yes
2010-04-13 10:08:12.484 InstConnectionString: Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;Data Source=JOSKIN_0107\SQLEXPRESS
2010-04-13 10:08:12.484 WebInstMode:
2010-04-13 10:08:12.484 StopWWW80: no
2010-04-13 10:08:12.484 iisWebSiteID:
2010-04-13 10:08:12.484 iisWebSite:
2010-04-13 10:08:12.484 iisVDir:
2010-04-13 10:08:12.484 iisPort:
2010-04-13 10:08:12.484 lswSvcPort: 9524
2010-04-13 10:08:12.484 New installation detected:
2010-04-13 10:08:12.484 Installation Path: C:\Program Files\lansweeper
2010-04-13 10:08:12.484 Installed version: 3.5.2 Currently installing: 4.0
2010-04-13 10:08:12.796 Service version: 3.5.2.4 Currently installing: 4.0.0.16 Upgrade required: yes
2010-04-13 10:08:12.796 Service UserName: JOSKIN\administrateur
2010-04-13 10:08:12.796 Website version: 0 Currently installing: 4001 Upgrade required: yes
2010-04-13 10:08:15.625 Website version: 0 Currently installing: 1 Upgrade required: yes
2010-04-13 10:08:16.000 Exists HKLM\software\Microsoft\INetStp @ProductString
2010-04-13 10:08:17.593 ------------ Lansweeper Setup Started ------------
2010-04-13 10:08:17.593 OS: Microsoft Windows XP ProfessionalVersion 5.1 (Build 2600: Service Pack 3)
2010-04-13 10:08:17.593 Inst: 4.0.12
2010-04-13 10:08:17.687 InitializeWizard raised an exception (fatal).
2010-04-13 10:08:17.687 Exception message:
2010-04-13 10:08:17.687 Message box (OK):
Runtime Error (at 322:631):
External exception EEDFADE.
2010-04-13 10:08:35.328 User chose OK.
2010-04-13 10:08:35.328 Deinitializing Setup.
2010-04-13 10:08:35.375 Lansweeper Setup Aborted! Failed Actions: Setup aborted on ! Failed Actions: none
2010-04-13 10:08:35.406 Log closed.