I have everything installed, have a save game where when you leave your appartment, it tells you the basics. No other mods installed, heres the Error Check Log:

 

[Asi loader] Using dsound

[scriptHookDotNet] Found

[scriptHookDotNet] Valid

[system dependencies] Verifying dependencies integrity

[system dependencies] Checking MSVCR110.DLL

[system dependencies] Checking dependencies (32-bit required: True)

[system dependencies] Resolved KERNEL32.dll to C:WindowsSysWOW64KERNEL32.dll

[system dependencies] Check passed

[system dependencies] Checking MSVCP110.DLL

[system dependencies] Checking dependencies (32-bit required: True)

[system dependencies] Resolved MSVCR110.dll to C:WindowsSysWOW64MSVCR110.dll

[system dependencies] Resolved KERNEL32.dll to C:WindowsSysWOW64KERNEL32.dll

[system dependencies] Check passed

[system dependencies] Checking MSCOREE.DLL

[system dependencies] Checking dependencies (32-bit required: True)

[system dependencies] Resolved KERNEL32.dll to C:WindowsSysWOW64KERNEL32.dll

[system dependencies] Check passed

[system dependencies] Checking SCRIPTHOOK.DLL

[system dependencies] Checking dependencies (32-bit required: True)

[system dependencies] Resolved KERNEL32.dll to C:WindowsSysWOW64KERNEL32.dll

[system dependencies] Resolved USER32.dll to C:WindowsSysWOW64USER32.dll

[system dependencies] Check passed

[system dependencies] Checking MSVCR100.DLL

[system dependencies] Failed to find MSVCR100.DLL

[system dependencies] Checking D3DX9_43.DLL

[system dependencies] Checking dependencies (32-bit required: True)

[system dependencies] Resolved msvcrt.dll to C:WindowsSysWOW64msvcrt.dll

[system dependencies] Resolved GDI32.dll to C:WindowsSysWOW64GDI32.dll

[system dependencies] Resolved KERNEL32.dll to C:WindowsSysWOW64KERNEL32.dll

[system dependencies] Resolved ADVAPI32.dll to C:WindowsSysWOW64ADVAPI32.dll

[system dependencies] Check passed

[system dependencies] Checking ScriptHookDotNet.asi

[system dependencies] Checking dependencies (32-bit required: True)

[system dependencies] Resolved KERNEL32.dll to C:WindowsSysWOW64KERNEL32.dll

[system dependencies] Resolved ScriptHook.dll to C:Program Files (x86)SteamsteamappscommonGrand Theft Auto IVGTAIVScriptHook.dll

[system dependencies] Failed to resolve MSVCR100.dll from C:Program Files (x86)SteamsteamappscommonGrand Theft Auto IVGTAIVScriptHookDotNet.asi

[system dependencies] Resolved MSVCR100.dll to 

[system dependencies] Image MSVCR100.dll in  is not a 32-bit image

[system dependencies] Resolved USER32.dll to C:WindowsSysWOW64USER32.dll

[system dependencies] Resolved d3dx9_43.dll to C:WindowsSysWOW64d3dx9_43.dll

[system dependencies] Resolved mscoree.dll to C:WindowsSysWOW64mscoree.dll

[system dependencies] Check passed

[system dependencies] v2.0.50727  2.0.50727.4927  SP2

v3.0  3.0.30729.4926  SP2

v3.5  3.5.30729.4926  SP1

v4  

  Client  4.5.51641

  Full  4.5.51641

v4.0  

  Client  4.0.0.0

[system dependencies] The .NET Framework version 4.5.1 is installed (Windows 8.1)

[system dependencies] Checking ADVANCEDHOOK.DLL

[system dependencies] Checking dependencies (32-bit required: True)

[system dependencies] Resolved ScriptHook.dll to C:Program Files (x86)SteamsteamappscommonGrand Theft Auto IVGTAIVScriptHook.dll

[system dependencies] Resolved VERSION.dll to C:WindowsSysWOW64VERSION.dll

[system dependencies] Resolved PSAPI.DLL to C:WindowsSysWOW64PSAPI.DLL

[system dependencies] Resolved dbghelp.dll to C:WindowsSysWOW64dbghelp.dll

[system dependencies] Resolved KERNEL32.dll to C:WindowsSysWOW64KERNEL32.dll

[system dependencies] Resolved USER32.dll to C:WindowsSysWOW64USER32.dll

[system dependencies] Resolved SHELL32.dll to C:WindowsSysWOW64SHELL32.dll

[system dependencies] Resolved MSVCR110.dll to C:WindowsSysWOW64MSVCR110.dll

[system dependencies] Resolved MSVCP110.dll to C:WindowsSysWOW64MSVCP110.dll

[system dependencies] Resolved mscoree.dll to C:WindowsSysWOW64mscoree.dll

[system dependencies] Check passed

[system dependencies] Checking ADVANCEDHOOKINIT.ASI

[system dependencies] Checking dependencies (32-bit required: True)

[system dependencies] Resolved VERSION.dll to C:WindowsSysWOW64VERSION.dll

[system dependencies] Resolved KERNEL32.dll to C:WindowsSysWOW64KERNEL32.dll

[system dependencies] Resolved USER32.dll to C:WindowsSysWOW64USER32.dll

[system dependencies] Resolved MSVCR110.dll to C:WindowsSysWOW64MSVCR110.dll

[system dependencies] Resolved MSVCP110.dll to C:WindowsSysWOW64MSVCP110.dll

[system dependencies] Check passed

[system dependencies] Checking SLIMDX.DLL

[system dependencies] Checking dependencies (32-bit required: True)

[system dependencies] Failed to resolve MSVCR100.dll from C:Program Files (x86)SteamsteamappscommonGrand Theft Auto IVGTAIVSLIMDX.DLL

[system dependencies] Resolved MSVCR100.dll to 

[system dependencies] Image MSVCR100.dll in  is not a 32-bit image

[system dependencies] Resolved KERNEL32.dll to C:WindowsSysWOW64KERNEL32.dll

[system dependencies] Resolved ole32.dll to C:WindowsSysWOW64ole32.dll

[system dependencies] Resolved USER32.dll to C:WindowsSysWOW64USER32.dll

[system dependencies] Resolved GDI32.dll to C:WindowsSysWOW64GDI32.dll

[system dependencies] Resolved WINMM.dll to C:WindowsSysWOW64WINMM.dll

[system dependencies] Resolved ADVAPI32.dll to C:WindowsSysWOW64ADVAPI32.dll

[system dependencies] Failed to resolve MSVCP100.dll from C:Program Files (x86)SteamsteamappscommonGrand Theft Auto IVGTAIVSLIMDX.DLL

[system dependencies] Resolved MSVCP100.dll to 

[system dependencies] Image MSVCP100.dll in  is not a 32-bit image

[system dependencies] Resolved mscoree.dll to C:WindowsSysWOW64mscoree.dll

[system dependencies] Check passed

[LCPD First Response] Checking LCPDFR installation

[LCPD First Response] No problems found

[Log Check] Checking log files

[Log Check] asilog.txt lists failed load: 0x00000000

[Log Check] // -- GTA IV ASI LOADER LOG -- //

//-- © Alexander Blade 2008 -- //

C:Windowssystem32dsound.dll is loaded, address 0x68DD0000

Hooking dsound proc named "DirectSoundCreate"

"DirectSoundCreate" hooked, address 0x68DEC95A

Hooking dsound proc named "DirectSoundEnumerateA"

"DirectSoundEnumerateA" hooked, address 0x68E23C04

Hooking dsound proc named "DirectSoundEnumerateW"

"DirectSoundEnumerateW" hooked, address 0x68DDCB30

Hooking dsound proc named "DllCanUnloadNow"

"DllCanUnloadNow" hooked, address 0x68DEEB54

Hooking dsound proc named "DllGetClassObject"

"DllGetClassObject" hooked, address 0x68DD7D17

Hooking dsound proc named "DirectSoundCaptureCreate"

"DirectSoundCaptureCreate" hooked, address 0x68E23B2C

Hooking dsound proc named "DirectSoundCaptureEnumerateA"

"DirectSoundCaptureEnumerateA" hooked, address 0x68E23BE7

Hooking dsound proc named "DirectSoundCaptureEnumerateW"

"DirectSoundCaptureEnumerateW" hooked, address 0x68DDDADA

Hooking dsound proc named "GetDeviceID"

"GetDeviceID" hooked, address 0x68DDD12D

Hooking dsound proc named "DirectSoundFullDuplexCreate"

"DirectSoundFullDuplexCreate" hooked, address 0x68E23C21

Hooking dsound proc named "DirectSoundCreate8"

"DirectSoundCreate8" hooked, address 0x68DDD404

Hooking dsound proc named "DirectSoundCaptureCreate8"

"DirectSoundCaptureCreate8" hooked, address 0x68E15BF6

Loading ASI C:Program Files (x86)SteamsteamappscommonGrand Theft Auto IVGTAIVAdvancedHookInit.asi

ASI loaded : C:Program Files (x86)SteamsteamappscommonGrand Theft Auto IVGTAIVAdvancedHookInit.asi, Address 0x5C130000

Loading ASI C:Program Files (x86)SteamsteamappscommonGrand Theft Auto IVGTAIVScriptHookDotNet.asi

ASI loaded : C:Program Files (x86)SteamsteamappscommonGrand Theft Auto IVGTAIVScriptHookDotNet.asi, Address 0x00000000

 

 

No you don't have everything installed. As the log says it "[system dependencies] Failed to find MSVCR100.DLL". So just install http://www.microsoft.com/en-us/download/details.aspx?id=5555 (x86 version)  and you should be good.