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Windows 7: Free system disk space going out by itself

15 Jul 2014   #11

Windows 7 both 32 and 64 bits and Ultimate

Hey! I'm back, sorry for delay.-
I've been quite interested in the resource monitor, kind of like it. How many things go on without knowing, he he!
Yes, I went from less than 200MB to 3,5 GB. Just the windows explorer info. Today I'm about 2,27 GB right now, and the use of the box has been quite the same. Just listening to music, thunderbird(which stores just one mail account in C drive), and some minor surfing(for this investigation purposes I try not to use the machine so much).-
As for the system restore thing, I have it enables just in C.-
Say, it's really weird that the space comes back by itself(Where was it? Where did it go?), that's what leads me to want to know what it's all about. Like, where windows stores temp data, or flash data, when I see pictures or use a program like photoshop. That's more or less what I have in mind when I ask for opinions. I know you guys are the ones that know about this stuff.-
Thanks again for your time and answers, I appreciate them. Will check those apps to monitor, they sound good. I already use some of the sysinternals progs for monitoring(you know, like disk monitor or process explorer), but the ones you post your pictures here are interesting indeed.-


My System SpecsSystem Spec
15 Jul 2014   #12

Win 7 Enterprise x64

Use WinDirStat or similar product. Run it when you space is gone and see what is consuming the space. It should be pretty obvious, but if not run it again when you the free space returns and compare. Otherwise, it's all guessing here.
My System SpecsSystem Spec
15 Jul 2014   #13

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
Temp Data

On my machine temp data tends to get stored in the folders configured under System Properties > Advanced > Environment Variables but that doesn't apply to all temp data. Some programs use their own location for a cache or data storage.

See this link about Spotify for example. Listening to songs via Spotify can use up a huge amount of disk space!

How to clear, change or move the Spotify cache - gHacks Tech News

Temp folders located here (on my machine - it's not the default locations) - Try Start> Run then type sysdm.cpl and press Enter. Then Advanced > Environment Variables. Don't change anything though!

Free system disk space going out by itself-environment-variables.jpg


Photoshop creates temp files when opening an image:

Free system disk space going out by itself-photoshop-temp.jpg

Not all of those files are deleted when exiting Photoshop and they need to be cleared using other methods:

Free system disk space going out by itself-photoshop-temp-2.jpg

My System SpecsSystem Spec

15 Jul 2014   #14

Windows 7 Professional SP1 - x64 [Non-UEFI Boot]

Are you using something like Defraggler or the integrated one. I know Defraggler on my machine count the free space between files as filled space after having defrag my drive. At some reboot point it is disappearing like magic, Guess, its compacting the free space somehow...
My System SpecsSystem Spec
23 Jul 2014   #15

Windows 7 both 32 and 64 bits and Ultimate

Thanks for all your answers. So far I have 730 MB left, and the same environment. Except I have used a few times photoshop or played some games. But this was during the las two days, and I had 900 mb by then. Still don't know where the space goes, or how to prevent it from vanishing.-
Great info on photoshop Callender, thanks. It's also a good idea to compare situations with one of those space-progs, grateful too. You can close the thread if you like for I don't think I'll be coming back, situation is quite the same =/ Oh, and I am not using defraggler or one of them. And just use winamp for music purposes.-

My System SpecsSystem Spec

 Free system disk space going out by itself

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