I have never used a restore point so I keep my disk usage for it at 1%. I never have more than 4 available. I think that should be more than sufficient.
I have read though that there can be problems with many AV’s when trying to use a restore point. It seems to stem from trying to reinstall an older signature database. I remember there being some mention of it in Comodo’s forums.
So, there is an incompatibility with antivirus programs? Disable is not enough?
I have never needed to use Windows 7 System Restore but it does save a backup every Tuesday morning and selected
Keep only the latest system image and minimize space used by backup
Again, the discussion is NOT about Windows System Restore or backups but about avast team come here and say something WHY WINDOWS SYSTEM RESTORE DOES NOT WORK WITH AVAST ALL THE TIME…
You know the avast! team better than me so you need to contact them.
I did a Windows Registry Restore with AIS and the Windows Restore screwed up AIS. :o :o
I was able to fix it.
After that I stopped using the Windows Registry Restore and have only used A full Windows Restore which includes a restore of the System Image. I had no problem with that. Everything went smoothly 
Conclusion: I think that there could be some conflict between Avast AIS and Windows Registry Restore. I have no idea what it could be or even guess what it is.
I am contacting them. Don’t they read the forums?
I’m not quite sure if the problem was with the definitions or with the file that stores the scan data. Now that I think of it, the problem at Comodo was from the sfi.dat file that stored the data about what had been scanned before. Like the persistent cache that Avast has. It was locked and would not allow system restore to go back to an earlier dated version of it so the restore attempts would fail.
Tech,
I had the same problem when trying to fix a problem a little over a month ago. I could not restore to any prior date. I had done restores multiple times, with Avast installed, with no problems. Threads below might help…maybe…no idea if that was the problem with restore but it was a BIG problem.
here is the other thread http://forum.avast.com/index.php?topic=76974.0
One other thing I noticed when the computer slow-down problems started was tht the Cleaner function of CCleaner was not finding near as many files to delete. Once getting rid of the Alureon problem, the file size that was found went back (up) to what I was seeing before.
I’ve had problems with system restore too and gave up on it months ago. I tried disabling Avast and also tried from safe mode and can’t get it to work. I keep a current image with Acronis restore takes about 10 min.
Joe
don’t know where you heard about that but definitely yes, when a recent restore point fails to restore the system, ie sometimes even using the latest RP, then Avast, when installed, is the culprit, there’s no doubt about that. I’ve seen it happen enough times.
Good shot. Can’t avast detect a legit attempt of Windows System Restore to avoid such behavior (if it exists)?
I have no problems with System Restore in Windows 7 with AIS ver 6.0.1091. But this might wanna interest you HERE
Very interesting but it displays Internet Explorer cannot display the webpage
Oh…it’s fine here with me though. Kindly see (Chrome/FF4 and IE9). Anyway it’s this:
http://www.sevenforums.com/backup-restore/159425-system-restore-question-hopefully-simple.html
Just sharing.
Ethan’s remarks where uncalled for. Retaliating in a like manner makes you just as wrong YoKenny. :o
Newbie yes. Lot to learn yes. But respect is needed wether newbie or not. Mistakes happen but not all come from newbies like me. Even old-geeks like you are guilty of it. I was wrong there in using the link…I did not know it yet. Just pointed out how you seem to reply with the link I provided. Now the mistakes are hard to accept. Thanks for the link.
Thank you for the warmness. Some people…
ethan, I have no trouble on taking a restore point (links you’ve posted).
The problem is restoring.
Sorry there.
Mods you can remove my last post. Will not stoop that low anymore. Got carried away there.
I was to post some additional links. Incidentally, are you using CTM…? It’s in your sig…Tried CTM before and it borked my system. Had to use an image backup to recover. Might you be interested for a Paragon System Backup 10 Special Edition…? Just let me know. I can ask someone for a spare license.
Anyway, kindly see below. Might find some similarity or ideas. Good luck.
http://forums.comodo.com/empty-t54730.0.html
http://forums.comodo.com/install-setup-configuration-help-cis/sfidat-t39914.0.html;msg300101
http://www.sevenforums.com/software/90847-comodo-time-machine-partition.html
http://www.bleepingcomputer.com/forums/topic271374.html
http://forums.techguy.org/windows-7/974842-system-restore-not-working-searched.html