Windows 7 64-bit locks up when viewing large files 4GB and over

Posted on 2011-05-06
Last Modified: 2013-11-29
I've tested on multiple systems to confirm this. If I have a large file over 4GB and browse to the directory it's in, the computer will use up almost all the RAM and start freezing. No this is not an external drive or USB drive. This can be a secondary SATA or primary. It also happens when browsing to a file server and looking in the directory with the large file. This does not happen with Windows 7 32bit.

I've also tried the USB patch for Nvidia chipsets just in case that really did have something to do with it. The patch didn't help either. Has Microsoft released a fix for this?
Question by:bbrunning
    LVL 22

    Expert Comment

    Hello bbrunning... good to see you around.

    This is the latest I'm aware of for the Nvidia problem and x64:  I'm guessing that you've already tested this one.

    I've also heard about this when you are using an insufficient power supply or an incorrect power supply/adapter... Have you changed the power supply/adapter recently?

    I've also heard it happening when you overclock... is this the case?

    Just for testing purposes.... Click on the Windows Start and type: msconfig. Once it loads, go to the services tab. Select "Hide All Microsoft Services". Disable all the remaining, reboot and test. If it stops hanging then we know that one of the services we just disabled is responsible and it would be a matter of testing until you find the culprit.

    I hope it helps... I've heard a lot of grief on this...

    Bits ...
    LVL 10

    Author Comment

    This is actually more common than I thought. I did some digging around the adobe forums and found that all x64 Windows 7 systems act this way. It's the way the new MS WIC (Windows Imaging Component) reads the over sized files. Anything above 2gb will cause explorer to freak out, mainly with .tiffs. The only workaround I've read is changing the folder options to optimized for documents so it doesn't try to read the image for a preview. Other than that, I had an idea that since these images were made in 32Bit windows XP. It's possible that if I can convert them with Photoshop 64bit to be 64bit images, perhaps the compression won't kill explorer and make the computer freak out. I'll check that test on Monday. Thanks for the input!
    LVL 41

    Expert Comment

    Documents, such as TIFF files don't have a "bitness"... so you can't really save a TIFF as a 64-bit image.
    LVL 10

    Accepted Solution

    Only workaround really is having the users open adobe bridge for large Tiffs and convert any current/future large projects to .PSBs if they want to use Windows Explorer.
    LVL 10

    Author Closing Comment

    No answers really given towards this solution.

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