Can't launch the TOAD app

I have TOAD 6.0, the app suddenly stopped launch, can't open it in administrator or by double click.

checked the windows logs and i have 2 error massages:

Any idea?

i've tried to uninstall and install the TOAD back and still have the same issue.
************ First one***********
Faulting application name: toad.exe, version: 6.0.5.425, time stamp: 0x8d8737d9
Faulting module name: KERNELBASE.dll, version: 10.0.22621.2428, time stamp: 0x9223bda8
Exception code: 0xe0434352
Fault offset: 0x0000000000064ffc
Faulting process id: 0x0x6898
Faulting application start time: 0x0x1DA1568A9577823
Faulting application path: C:\Program Files\Quest Software\Toad Data Point 6.0\toad.exe
Faulting module path: C:\windows\System32\KERNELBASE.dll
Report Id: 6425a6f6-6848-4b9e-ad28-c2d92b3dc9fa
Faulting package full name:
Faulting package-relative application ID:

****** second one ******************

Application: toad.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.AccessViolationException
at Quest.Licensing.Validation.TempWrapper.loadData(String name, StringBuilder value, UIntPtr value_length)

Exception Info: System.Reflection.TargetInvocationException
at System.RuntimeMethodHandle.InvokeMethod(Object target, Object arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object parameters, Object arguments)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object parameters, CultureInfo culture)
at System.RuntimeType.InvokeMember(String name, BindingFlags bindingFlags, Binder binder, Object target, Object providedArgs, ParameterModifier modifiers, CultureInfo culture, String namedParams)
at Quest.Licensing.Validation.ClassWrapper.LoadData(String name, Boolean useLocalMachine)
at Quest.Licensing.Validation.ClassWrapper.LoadData(System.String, Boolean)
at Quest.Licensing.License.LicenseInfo.getInstallDate()
at Quest.Licensing.License.LicenseInfo.retrieveLicenseInfo(Boolean)
at Quest.Licensing.License.LicenseInfo..ctor(System.String, System.String, System.String, System.String, Int32, Double, Quest.Licensing.Validation.ClassWrapper, Boolean, System.String)
at Quest.Licensing.QuestKeyFactory.getLicenseData(Quest.Licensing.License.License, Int32, System.String)
at Quest.Licensing.QuestKeyFactory.RetrieveLicenses(Int32, Quest.Licensing.License.StorageLocation, System.String)
at Quest.Toad.Map.MapValidation.LoadAndValidateQKLkeys()
at Quest.Toad.Map.MapValidation.SetCurrentToadOptionInternal()
at Quest.Toad.Map.MapValidation.SetCurrentToadOption()
at Quest.Toad.Map.MapValidation.Initialize()
at Quest.Toad.Map.MapValidation.get_InstalledPlatforms()
at Quest.Toad.Map.MapValidation.get_InstalledPlatformTypes()
at Quest.Toad.Util.Global.get_MutexAppCode()
at Quest.Toad.StartupForm.MainAppicationEntryPoint(System.String)
at Quest.Toad.ToadProcessEntryPoint.Main(System.String)

Curious if any changes have been made recently to your Windows workstation (e.g. permissions to certain file folders, directories, etc.

Regardless, download the latest 6.1.2 release, and install after uninstalling the old version... see if that helps.