PR Launcher can't launch, Critical Error

[InchPincherToo]

I was re-installing PR new from scratch, re-installing OS (Win 7 and SP1) and everything that i think was necessary, then this happened.

Project Reality Log File
PRLauncher.exe started at: 2023-06-10T10:06:40

Critical Error: An unhandled exception has occured. Details are as follows:

Method not found: '!!0[] System.Array.Empty()'.

Further details can be found in the following file:

D:\Program Files\Project Reality BF2...PRLauncher.log

Please report this error to the Project Reality Team, and include the log file in your report.

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 > System.MissingMethodException: Method not found: '!!0[] System.Array.Empty()'.
   at Reality.Utils.Arguments.Parse(String[] , ICollection`1 , ICollection`1 )
   at -.f.OnStartup(StartupEventArgs a)
   at System.Windows.Application.<.ctor>b__1(Object unused)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)

Need help on solving this, thanks!

[[R-DEV]Mats391]

Install .net 4.7.2 https://www.realitymod.com/forum/showthread.php?t=99834

[InchPincherToo]

Solved, thanks.

There's a certificate error back when installing Net Framework. But, i installed Win7 certificate update properly beforehand and it works.