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I have ERUNT automatically backup my Registry once a day, by default it keeps 30 copies but a simple edit changed that to 15.

You can do a manual backup anytime as well

I've never had to Restore with it but it has a good reputation.



Question: Should I disable Windows XP’s System Restore function when using ERUNT?

Answer: Yes! Though System Restore backs up more than just the registry, the registry is essentially all you need to revert your system to a previous state. Advantages of ERUNT over System Restore are that each restore folder is standalone and independent of the others, minimizing the risk of restore failures, and that a restore can easily be done from outside Windows. Also, ERUNT backups usually take up less hard drive space than System Restore’s restore points and may be individually deleted at any time.


Vista and Win 7 users:

Question: Do ERUNT and NTREGOPT run on Windows 7?

Answer: ERUNT and NTREGOPT in their current versions 1.1j are still compatible with Windows 7, but as in Vista, they will only work correctly if you turn off User Account Control in Windows' Control Panel (move the slider to the lowest position).


Also, a problem has been discovered which on many systems causes ERDNT and NTREGOPT to display a "RegSaveKey: 3" error when optimizing / restoring the BCD00000000 hive. The cause is that after a clean install of Windows 7, the BCD part of the registry which contains Windows' boot configuration data resides on a hidden system partition with no drive letter assigned in Explorer. You can simply ignore this error and continue, or as a workaround, open Disk Managemant in Control Panel and right-click on the partition displayed as "System Reserved" to assign a drive letter.


Future versions of ERUNT and NTREGOPT will of course have these issues fixed. Keep an eye on my homepage for updates.


All the best, woz of oz

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