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Windows 7: Need help to understand those restore points !

28 Apr 2015   #1
icacream

win7 x64 ultimate
 
 
Need help to understand those restore points !

hello,
here's the story :

on the 25th avast created 2 restore points (I had been fiddling with avast)
on the 27th, avast updated and created 2 more restore points - so I had 4
today, 28th, window update created a restore point... but why did all the previous ones disappear ?



I just do not understand !
thanks for any light !



My System SpecsSystem Spec
.
28 Apr 2015   #2
oscer1

win 7 64 bit
 
 

Think has to do with the allocated amount you set for system restore. You can raise or lower the amount. System Protection - Change Disk Space Usage
My System SpecsSystem Spec
28 Apr 2015   #3
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Restore points are stored in the shadowstorage. The space is used with a FiFo algorithm (first in, first out.). Each restore point takes about 500MB to 1GB. If e.g. you have only 3GB of shadowstorage, chances are that no more than 5 or 6 restore points can be stored and the oldest ones will always been thrown out to make room for the most recent. You can allocate shadowstorage with this command:

vssadmin resize shadowstorage /For=C: /On=C: /MaxSize=10GB

The 10GB is just an example. You can chose any size that fits on your disk.
My System SpecsSystem Spec
.

28 Apr 2015   #4
ignatzatsonic

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, 64-bit
 
 

Quote   Quote: Originally Posted by whs View Post
the oldest ones will always been thrown out to make room for the most recent.
But that's not what happened in this case.

When the April 28 restore point was made, the oldest restore point was NOT thrown out--dating back to Feb.

Instead, the two restore points from April 25 were thrown out. The older restore points from Feb and March were kept.

Maybe Windows does not treat restore points made by Avast in the same way as restore points made by Windows?
My System SpecsSystem Spec
28 Apr 2015   #5
RolandJS

Windows 7 Professional 64-bit
 
 

Quote:
...Maybe Windows does not treat restore points made by Avast in the same way as restore points made by Windows?
That's what I'm suspecting; System Restore Manager from Windows Club seems to bear this out, in an indirect way.
My System SpecsSystem Spec
28 Apr 2015   #6
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

Why would Windows 7 care about restore points made by a 3rd party program?

Windows 7 cares about Windows 7 and it's ways and methods.
My System SpecsSystem Spec
29 Apr 2015   #7
icacream

win7 x64 ultimate
 
 

hi !
thanks for all the input
the allocated amount was way above the current use, so too little storage space is not the answer

all the dates listed as "system image restore point" correspond to my back ups, these are made on an other drive... or do those back ups also store something on the C drive ?
do any of you know ?


on an other thread, someone suggested I disable avast secure virtual machine
immediately after I did, the current use dropped from over 25 GB to less than 6 GB without any restore point vanishing - I was happy !!!

but it did not last, the used space is again very erratically going up and down, I just have no idea why...

there is a suspicion avast is the culprit
have to find the avast forum
My System SpecsSystem Spec
29 Apr 2015   #8
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

Correct. Avast has been known to cause this problem.

Take a look here.

the dwindling free space on my C

And here.

https://forum.avast.com/index.php?topic=166697.0
My System SpecsSystem Spec
30 Apr 2015   #9
icacream

win7 x64 ultimate
 
 

Quote   Quote: Originally Posted by Layback Bear View Post
. Avast has been known to cause this problem.
a real pain !
this morning all my restore points are gone
I created a manual one which I find very suspicious as the current usage went to only 71.20 MB
been using avast for many many years, time to give it up ?
My System SpecsSystem Spec
30 Apr 2015   #10
ignatzatsonic

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, 64-bit
 
 

Why would you stay with something you yourself define as a "real pain", particularly when you can go back to it if and when the developers ever sober up and provide a fix?
My System SpecsSystem Spec
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 Need help to understand those restore points !




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