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 Post subject: Drives/Thumbnails disappearing from windows explorer *solved
PostPosted: Sun Aug 25, 2013 5:34 pm 
Little Foot
Little Foot

Joined: Fri Aug 04, 2006 9:26 am
Posts: 137
When I boot my pc, everything seems fine. I can open folders and see thumbnails for any images inside of them. But after I close it and try to open a different folder, the images appear as icons instead of thumbnails. After that point, I can no longer see any drives listed in windows explorer. I can still access them if I enter the location manually, and image files still open. I am including two images for reference. I have used malwarebytes and ccleaner already.

Image
Image

Here are my specs:

Operating System
Microsoft Windows 7 Professional 64-bit SP1

CPU
Intel Core i7 950 @ 3.07GHz 52 °C
Bloomfield 45nm Technology

RAM
12.0GB Triple-Channel DDR3 @ 795MHz (9-9-9-24)

Motherboard
EVGA 132-BL-E758 (Socket 423) 37 °C

Graphics
20WMGX2 (1680x1050@59Hz)
GeForce GTX 680 (EVGA) 65 °C
1024MB GeForce GT 240 (nVidia) 35 °C
ForceWare version 326.41
SLI Disabled

Hard Drives
699GB Seagate ST3750330AS ATA Device (SATA) 34 °C
1863GB Seagate ST32000641AS ATA Device (SATA) 32 °C
298GB Western Digital WDC WD3200AAKS-00L9A0 ATA Device (SATA) 32 °C
112GB OCZ-VERTEX2 ATA Device (SSD)
93GB OCZ-VERTEX2 ATA Device (SSD)

Optical Drives
ATAPI iHAS424 B ATA Device

Audio
ASUS Xonar DX Audio Device


Last edited by Razor86 on Wed Aug 28, 2013 6:03 pm, edited 1 time in total.

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 Post subject: Re: Drives/Thumbnails disappearing from windows explorer
PostPosted: Sun Aug 25, 2013 6:06 pm 
Little Foot
Little Foot

Joined: Fri Aug 04, 2006 9:26 am
Posts: 137
It would seem my system memory is also filling up quite rapidly with the dllhost.exe file. My own research is indicating this is some sort of infection. Thoughts?


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 Post subject: Re: Drives/Thumbnails disappearing from windows explorer
PostPosted: Mon Aug 26, 2013 4:38 am 
[Team Member]
[Team Member]

Joined: Sat Jun 26, 2004 4:31 am
Posts: 11065
Location: Home Sweet Home
Go into safe-mode with networking. Download, install, update and run Malwarebytes.

http://www.malwarebytes.org/

Take the free version of course! :mrgreen: It works just fine, you just have to manually update it.

Get Smitfraudfix and run it as well while in safe mode.

http://siri.geekstogo.com/SmitfraudFix.php

This is a standalone app. it will want to update encourage it to do so.

Let us know what happens please.

Nasty


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 Post subject: Re: Drives/Thumbnails disappearing from windows explorer
PostPosted: Wed Aug 28, 2013 6:02 pm 
Little Foot
Little Foot

Joined: Fri Aug 04, 2006 9:26 am
Posts: 137
I ran several programs, and an infection did turn up, but that was not what was causing the issue. I started digging deeper into the issues, and they were indeed related. There have been previously reported instances of users' dllhost.exe process filling up because of an issue with thumbnail generation for image files. Turns out, if you have an image that is corrupted (in what way, I don't know), and refuses to generate a thumbnail, windows explorer keeps trying to make one. The green bar in the address bar slowly fills up across the page, like windows is looking for something. While that is happening, the dllhost.exe process is filling with data, until it fills your system ram and causes the other issues I was reporting. Fortunately, there was only one image that I had downloaded before this had started, so I deleted it, and problem solved. Talk about a strange problem.


Last edited by Razor86 on Wed Aug 28, 2013 8:20 pm, edited 1 time in total.

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 Post subject: Re: Drives/Thumbnails disappearing from windows explorer *so
PostPosted: Wed Aug 28, 2013 6:30 pm 
Team Member Top 250
Team Member Top 250

Joined: Sat May 11, 2013 9:05 am
Posts: 527
Location: Sittin' downtown at the railway station, one toke over the line.
Interesting problem, thanks for the update letting people know about it. Glad it got fixed.


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