what could be causing this error and does anyone know what i need to do to resolve it.

[juggarnost]

Unpacking resources
Unpacking resources
Error: StabilityMatrix.Core.Exceptions.ProcessException: Process 7za failed with exit-code 2.
at StabilityMatrix.Core.Processes.ProcessRunner.WaitForExitConditionAsync(Process process, Int32 expectedExitCode, CancellationToken cancelToken)
at StabilityMatrix.Core.Helper.ArchiveHelper.Extract7Z(String archivePath, String extractDirectory, IProgress1 progress) at StabilityMatrix.Avalonia.Helpers.WindowsPrerequisiteHelper.UnzipGit(IProgress1 progress)
at StabilityMatrix.Avalonia.Helpers.WindowsPrerequisiteHelper.InstallGitIfNecessary(IProgress1 progress) at StabilityMatrix.Avalonia.Helpers.WindowsPrerequisiteHelper.InstallAllIfNecessary(IProgress1 progress)
at StabilityMatrix.Core.Models.PackageModification.SetupPrerequisitesStep.ExecuteAsync(IProgress1 progress) at StabilityMatrix.Core.Models.PackageModification.PackageModificationRunner.ExecuteSteps(IReadOnlyList1 steps)

[Kuroo2021]

I fix such errors by deleting the old directory and reinstalling it.