If you switched to NWS but miss scheduling in KHS, you can use both programs side-by-side. Prepare your schedules in KHS and then upload them to NWS:
Are you getting error messages about a damaged or corrupt database or index? Often this happens when a user powers off his PC while KHS is still running. Please, ALWAYS CLOSE KHS before you power off your PC or laptop to avoid damaging your KHS database.
If you use antivirus software, you need to exclude C:\Majestic Software\ and all sub-folders to prevent any files in these folders from being quarantined or deleted. All KHS files are completely safe.