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mike - U win
Mike,
I am totally in the dark as to how SysRestore works. I though that it held a picture of the install, when a operator created a SR point during or after that install, which was why i suggested to temporarily turn that off. If SR doesn't' back up the install then there would be no need to turn it off, would there. Since my opinion does not weigh in, I'll bail myself out. TVM -- Lester Stiefel In Romans 1 there are qualities of Unregenerate man listed which describe him in the last days. Is your quality found on this list?? |
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Lester,
System Restore (SR) is a mechanism which tracks changes and allows a user to return their system to the state it was in at a particular point in time when a checkpoint was created. The system will only roll back if the user chooses to do so, SR won't do this spontaneously nor will it make any attempt to prevent the replacement of or removal of any file although system file protection may well do so. Let's take the case of a software of driver install. Many install or updates will automatically create a checkpoint but not always so I usually advise users to make one manually. Now make that installation or update. If all is well then continue. If not then the user has the option of uninstalling the update. Where SR comes into play is if the update does not uninstall correctly and perhaps leaves the system in an unstable state as may well be the case when removing some malware. There is also the case where the update or install has no uninstall option such as say when installing WMP9 on Win Me. At this point the user has the option to either reinstall their system from their backups, assuming they have a recent backup, or using system restore. Using SR to roll back to a checkpoint created before the install will a) remove all files added by that procedure with an extension monitored by SR (See FileList.xml for a list of the 550 odd SR monitored extensions), b) restore the original version of any file deleted or amended by the install (same 550 monitored extensions), and c) restore a copy of the three registry files (user.dat, classes.dat and system.dat) as well as win.ini and system.ini that were archived at the time the checkpoint was created (similar to the actions of SCANREG /RESTORE from Win 98/98SE and still available in Win Me). Disabling SR won't aid the removal of any application or driver but disabling it will mean that the user will be throwing away a potential lifebelt that could be used to restore a damaged system to a known functioning state. Once the system is running "sweetly" clearing the SR archive will remove any unwanted checkpoints and remove the possibility of the user inadvertently restoring their system to an unstable checkpoint. I an unaware of any circumstances where SR has spontaneously restored a system to an earlier checkpoint. Nor will SR ever prevent the installation or removal of software or a driver. Regards, -- http://www.microsoft.com/windowsxp/e...ts/nichol.mspx In memory of a very dear friend, Windows MVP Alex Nichol Mike Maltby MS-MVP Lester Stiefel wrote: Mike, I am totally in the dark as to how SysRestore works. I though that it held a picture of the install, when a operator created a SR point during or after that install, which was why i suggested to temporarily turn that off. If SR doesn't' back up the install then there would be no need to turn it off, would there. Since my opinion does not weigh in, I'll bail myself out. TVM |
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