error updating once downloaded?

[TheTurkey]

Downloaded the game, ran ROR launcher, update and get the ERROR HAS OCCURED, copied the clipboard.

Error Downloading updater:
System.UnauthorizedAccessException: Access to the path 'E:\ReturnOfReckoning-March2020\Warhammer Online - Return of Reckoning\RoRLauncher.exe' is denied.
at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
at RoRUpdater.MainWindow.c7L3Zl71wSqG8TOaIO(Object , FileMode , FileAccess )
at RoRUpdater.MainWindow.tYB114Sxk(Object , DownloadDataCompletedEventArgs )

[TheTurkey]

Forgive me I'm being stupid.

If anyone else has this issue, right click your folder and uncheck read only.