Broken Jump List

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BizHawk 2.2, Win10
Pin BizHawk to task bar, right click on icon, select game from "recently used" list, exception:

System.ArgumentException: Illegal chars in path.
in System.Security.Permissions.FileIOPermission.EmulateFileIOPermissionChecks(String fullPath)
in System.Security.Permissions.FileIOPermission.QuickDemand(FileIOPermissionAccess access, String fullPath, Boolean checkForDuplicates, Boolean needFullPath)
in System.IO.FileInfo.Init(String fileName, Boolean checkHost)
in BizHawk.Common.HawkFile.Open(String path)
in BizHawk.Client.Common.RomLoader.LoadRom(String path, CoreComm nextComm, Boolean forceAccurateCore, Int32 recursiveCount)
in BizHawk.Client.EmuHawk.MainForm.LoadRom(String path, LoadRomArgs args)
in BizHawk.Client.EmuHawk.MainForm..ctor(String[] args)
in BizHawk.Client.EmuHawk.Program.SubMain(String[] args)