Windows 7 Forums

Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.


Windows 7: how to get back unaccessible space of 139GB on C drive

15 May 2015   #1
lclee

Windows 7 professional 64
 
 
how to get back unaccessible space of 139GB on C drive

I am running Windows 7 Professional 64 on a Lenovo laptop (T410), which I got almost a year ago, used. It had very few programs installed when I got it and up to a few of months ago, I am sure there was less than 100 GB on the C drive. I have not checked the C drive usage frequently to know when exactly this problem started.

I have Avast antivirus installed since I got the laptop and GrimeFighter installed recently on my computer.

I realize last week my C drive is quite full (244 GB in use). I know for sure I cannot have used more 100GB on the C drive. Disk clean up and defrag did not help. SpaceSniffer showed a 139GB of "unaccessible space" which contained no item. I don't know what this space is and what program needs it. How do I get back this piece of space? I searched Google but did not find any useful hints.


My System SpecsSystem Spec
.
15 May 2015   #2
GokAy

Windows 7 Ultimate x64 SP1
 
 

Hey, there is a known issue for Avast increasing System Protection max usage to 50%.
It will set it back to 50% if you change it manually too I guess.

You may search the forum or perhaps see a better resolution on Avast forums.

To check if you have this issue:
- Computer r.click->Properties->System Protection->Configure
or
- Control panel->System->System protection->Configure
see the max usage percentage.
My System SpecsSystem Spec
15 May 2015   #3
lclee

Windows 7 professional 64
 
 

Thanks for your help.

- Control panel->System->System protection->Configure
shows
Current Usage as 141.26 GB
and
Max Usage set to 50% (144.21 GB)

Would turning off system protection, changing the max usage, or deleting all restore points resolve this problem? This never happens before. Since I have been using Avast Antivirus fore a few years and did not notice this problem, could this be caused by GrimeFighter?

Thanks,
My System SpecsSystem Spec
.

16 May 2015   #4
GokAy

Windows 7 Ultimate x64 SP1
 
 

Please read https://forum.avast.com/index.php?topic=162041.0
Also check https://forum.avast.com/index.php?topic=166697.0

To answer you, no it won't matter if you delete restore points or change the % back to whatever you want it. It will come back after a restart and fill that space again.

You can try:
- go to control panel-> programs and features -> Avast -> change
- remove the component NG.
- change % back to 10% (windows default) or whatever you like it
- restart
- check if % is what you set
- check restore points (seems this NG delete old restore points when run out of space)
- manually crete a restore point if there are none
- open command prompt ->vssadmin list shadowstorage
- see how much space it takes.
My System SpecsSystem Spec
17 May 2015   #5
lclee

Windows 7 professional 64
 
 

Thanks for the detail instructions. I read the Avast forum and did the following:

- changed the system protection space % back to 15% from 50%
- went to control panel-> programs and features -> Avast -> change
but there was no component NG in the change panel to uncheck, so I unchecked Grimefighter since it was the last one I used before I noticed the problem.
- a restore point was created by the change made in Avast.
- laptop was restarted.
- checked the system protection space %, it is still 15%
- cheked Avast to make sure GrimeFighter it was still unchecked
- tried to run GrimeFighter again but it no longer showed up on the Avast user interface so I could not run it like before.
- downloaded GrimeFighter.exe and ran it.
- laptop was restarted after Grimefighter finished.
- checked system protection space, was still 15%
- vssadmin list ShadowStorage command showed maximum shadow storage was 15%
- restarted my laptop manually to make sure that system protection space was still 15% after I did some work
- I checked and unchecked the GrimeFighter box a couple of more times (and restarted laptop) to see if the problem return and it did not
- I also checked restore pointed, I saw 5, 4 from changing of Avast components

So thank you for your suggestions/solutions, I considered the problem solved for now. I appreciated your help.
My System SpecsSystem Spec
Reply

 how to get back unaccessible space of 139GB on C drive




Thread Tools Search this Thread
Search this Thread:

Advanced Search




Similar help and support threads
Thread Forum
LOGICAL DRIVE Missing /unaccessible
If you could help me with this . I had performed Operating system installation due to C drive filling up : post installation i dont have access to the Software drive . it doesn't have a drive letter . its showing up in Disk Management . its showing up in DISKPART command .
Hardware & Devices
Unaccessible External Hard Drive: Disk 1 Unknown, Not Initialized
Hello. Through the power of google, I have come here to see If I can get any help recovering data. Essentially found this thread: http://www.sevenforums.com/hardware-devices/288692-disk-1-unknown-not-initialized-unallocated.html and just having really similar issues. Issue is with my sisters...
Hardware & Devices
Hard drive partition: adding free space back to c: drive
Hi everyone, I installed Ubuntu on my computer a few months ago and created another partition for it on my 1TB hard drive. I didn't really care for Ubuntu so I decided to delete the partition it was on. :geek: That might have been a mistake. :( Well, now there's 87.68GB of free space on...
Performance & Maintenance
How to get back partition created from C Drive to unallocated space?
Hi.. I recently bought a new laptop 500 GB hard drive, which had C:, Recovery (D: ), and HP Tools (E: ) drive. I thought of creating a sepreate drive to keep personal stuff like pics, songs, etc. I went to disk management, and clicked on "Shrink Volume" on C: Drive. Now an unallocated parition...
Hardware & Devices
ADD Unallocated Space Back To C: Drive
i recentely had windows 8 and windows 7 dual booted but decided to get rid of windows 8 . now im left with unallocatedspace that i cant seem to get rid off or add back to my primary partition :banghead:
Hardware & Devices
cloned hdd with easus back up, lost all drive space
I had my system setup as dual boot (with separate drives) while making a change over from win7 home premium to widows 7 ultimate. After i got everything set up the way i wanted it, in win 7 ultimate, I figured I would delete the home premium and clone the drive with easus utility. this way i could...
Backup and Restore


Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 08:56.

Twitter Facebook Google+



Windows 7 Forums

Seven Forums Android App Seven Forums IOS App