ERUNT is an excellent Registry Backup and Restore Utility for Windows NT/2000/2003/XP/Vista. This program backs up the DEFAULT, SAM, SECURITY, SOFTWARE, SYSTEM hives and also the per-user registry hives namely NTUSER.DAT & USRCLASS.DAT.
ERUNT works fine in Windows Vista if run under elevated privileges. To run the application elevated, right-click the file ERUNT.EXE which is located in "C:\Program Files\ERUNT" and choose Run as Administrator. Additional instructions are available in article Take a complete registry backup using ERUNT.
Note: Running ERUNT in a non-elevated mode would display the following error:
Create Automatic Registry Backups at Vista Startup
Using Task Scheduler, you can configure ERUNT to backup the registry at Startup (Note that ERUNT does not create a new backup if one already exists for the current day.) Follow these instructions:
1. Open Task Scheduler from Control Panel or by running the command control schedtasks from Start, Search box.
2. In the Actions pane on the right, click Create Task…
3. Type a name for the task that you want to create (for example, ERUNT), and optionally assign a descriptive text.
4. Click Change User or Group… button
5. Type SYSTEM and click OK
6. Enable the option Run with highest privileges. This is an important step.
7. Select the Triggers tab, and click New
8. In the Begin the task drop-down box, select At startup, and click OK
9. Select the Action tab, and click New
8. In the Program/script: text box, type the following (including the quotes):
9. In the Add arguments (optional) text box, type the following:
(Hint: Read ERUNT’s documentation to know the command line arguments supported.)
10. Click OK, OK.
You’ve now created a new task to backup the registry at every Startup. To verify if the task works, restart Windows and check the C:\Windows\ERDNT\AutoBackup folder.
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I have documented a few improvements and fixed a few issues with the scheduled ERUNT registry backups for Win7 & Vista. Backup now includes the full Current_User_Account registry and supports 64bit versions of Windows.
See my notes here http://www.stargateuk.info/upload/ERUNT_Tweaks_Win7.txt
Thanks for taking the time to create this post, some of the simplest things are hard to figure out.
Your instructions worked perfectly. However, I have since removed ERUNT from my system but the scheduled task still remains and I have no way of deleting it. The task shows up in the Task Scheduler Summary pane but not when I click on Task Scheduler Library, so there is no option to delete. Thanks.