Does it happen when usb isn't involved? All the examples you've given use usb. On 09/10/2011, Jackie McBride wrote:

David, u don't provide a lot of information, e.g., your OS, etc. I'm not familiar w/a file named expl.exe, & a google search does not find anything, either. Perhaps it was copied incorrectly? If not: 1) I'd do a chkdsk on the hard drive; 2) I'd do some hard drive testing. & 3) I'd do some serious malware scanning, as the possibility of a file infector is worrisome. If u have another machine, or could boot an OS such as Linux, I'd consider getting the OS out of the picture & scanning using the known clean system.

On 10/9/11, David Mehler wrote:

...

Hello Everyone,

I'm getting the below error when atempting to cut, copy, or paste folders or files on my computer. Here's the error:

Microsoft Visual C++ Runtime Library Runtime Error! Program: C:\WINDOWS\Expl EXE This application has requested the Runtime to terminate it in an unusual way. Please contact the application's support team for more information. OK

I noticed it for the first time last evening when atempting to copy content off of an sd card to my computer. I didn't think anything of it at that point because that card had been put through the ringer and I assumed it was in the process of going bad. I did a chkdsk /f on the sd card followed up by a defrag and was able to copy the content. Later in the evening the sd card removed I was atempting to copy the same content off the computer on to a USB stick and got the same message, this time chkdsk on the stick revealed nothing wrong, I should mention that sd card did have errors on it and were corrected by the chkdsk. Now segeway to the morning, I'm not even dealing with the same content, same usb stick or sd card, I'm trying to copy content from an external USB terabyte drive to my computer, I got the same error. This time I actually had to reboot the box. Now I went to the terabyte drive and tried to copy the content from one folder to another on it, and again got the same message.

If anyone has any suggestions I'd urgently like to hear them!

Thanks. Dave.

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Hello Everyone, Thanks for your replies. I didn't even notice that filename got cut off, been looking at it so long. It's c:\windows\explorer.exe and my OS is xp pro sp3. All of my examples were USB based in some way or using copy from computer to an external source such as the SD card. If I do it like move a folder on the hard drive of the computer without using any external drives or devices thus far it works, that might change, but as of now it hasn't failed in that capacity. I'm running a full malware bytes scan on my system, both my computer drive and the external terabyte drive and the usb external stick, that's going to take quite some time. I also have Security Essentials on this box and it is reporting all clear. This box hasn't been improperly shut down of late, but after the malware bytes scan I'm going to do a chkdsk on the hard drive. I'll write more. Thanks. Dave. On 10/9/11, Mgr. Janusz Chmiel wrote:

Dear syr, I think, that it would be very good idea to download Microsoft security essentials and install it to Yours computer and try to run atleast quick test. Try to also remember, if You did not turn The computer off by The unusual way, in some cases, registry binary structure can be corrupted or some hydden error resides in The NTFS file system. Unfortunately, The best NTFS file checking is really build in The algorithms used by Windows, checkdisk feature, so try to run Checkdisk of Yours boot harddrive after reboot by using chkdsk /f c: Confirm y and reboot Your system. It is also possible, that NTFS file system is fragmented. For biginning, try to run The following command exactly as i writing it, Letters are case sensitive.

rundll32 advapi32.dll ProcessIdleTasks

This will simulate The situation, when computer is idle for a longer time and system will perform a special disk defragmentation. Try to also check Yours disk space left and try to check The virtual memory size. The best is to set The virtual memory sizes to The equal values, so The first and second values must be equal. For example, lets assume, that You have 512 MB of free RAM. Try to change The values for virtual memory setting to 1024 MB and 1024 MB, this will prevent to cause pagefile.sys so much fragmented.

If nothink of those techniques will help You, i have last two techniques for You. Try to use The following command sfc /scannow This will work for even Windows Vista and Windows7. Last possibility, Try to use projects based on Winbuilder scripting engine to make Yours own Windows live CD and run chkdsk /f c: Or chkdsk /f /r From The created live CD. But I AM afraid, that complex operations for creating live projects by executing Winbuilder scripting engine with complex projects would cause system instability, if somethink is wrong with Yours C language run-time libraryes, because Winbuilder.exe is also written in C language and will very probably use many procedures and functions from Microsoft C run-time libraryes.

It is also possible to install pagedefrag, but this program is only awailable for Windows Xp and NT or 2000. But You can safely use boottime defragmentation features of Purandefrag or Defraggler products. Those are The best freeware defragmenters which are supporting boottime defragmentation according my opinion. PiriDefraggler and Puran defrag are really very good. They are able to defragment nomrally locked system files such as page file or registry hives.

Try to also analyse, if many applications are not executed during computer startup, those programs can allocate many RAM.