This bug has severe consequences: you cannot trust Windows all versions, 32 bit or 64 bit, desktop or server, including NT4, , XP, Vista, Win7, Win A basic operation such as copying data by ANY user, not just admins, including remote users over a file sharing can create a complete system hang easily, and the hangs are so severe affecting the whole system taking so long to deblock that many other critical processes or services will experiment many "timeout" errors.
Microsoft still cannot see that this is a problem in its kernels. Thigs that the filesystem cache driver should monitor: the rate of "memory page faults" used by a single process. Note: this bug is completely independant of the hardware. Even a fast "octocore" processor on a system with 64GB of memory will suffer. The bug is extremely sever when using Windows with RAID storage there's no more memory available for the RAID driver whose own data buffers get constantly paged out, with excessive number of page faults: on my system performing a single file copy with the Windows Explorer for a GB VHD file causes the RAID driver to complain and millions page faults per second, with tons of events being logged in the Windows Event Viewer; even the "Performance monitor" will hang, windows will no longer be refreshed, closing a window, starting the task manager will fail and the Windows desktop will KILL automatically some processes even though they were NOT the cause of the problem.
Finally the Windows Explorer will be killed too, leaving files partially copied. The problem ALSO affects system backups even if one layer of cache has been bypassed, there are still many caches used by the volume manager or the disk drivers, and backups can also fail severely.
If Windows a safe OS? Your data or applications and services are easily attackable and at constant risk of being damaged. It's very easy to create a Denial of Service attack using ONLY basic user rights even a "Guest" user can hang the system by just copying a single large file within his autorized storage space! This worked for me. It is still somewhat slower than other versions of windows but it made a vast improvement. Type "index" at the Start button search box and use that utility to remove all indexed locations.
The thing to remember is that you will need to use alternative methods than windows explorer find to search for files. I generally use the find command from the command window which is generally quicker in any case. One day while copying it stucked after few percent have completed.
Then I tried to close the process using task manager, but then explorer. Then I start copying again and found no problem. So, I think explorer. You can also try this. Right Click on Taskbar. Click 'Start task Manager'. Click on 'Processes' tab. Select the 'explorer. In the Run box write down "explorer. The most obvious reason is that you got an anti-virus running real time scans.
If you got your own anti virus I suggest disabling Microsoft Defender real time scans. Slowed my system down was just moving files to sub folders. In its defense, having 2 anti virus programs doing real time scans is almost never a good idea.
Bowen and export already mentioned trouble with anti-virus. If you only get longer periods on network, take a look at firewall settings and host machines running anti virus or firewalls of their own. After some research this seems to be a problem with how Window Search indexes files when it looks for them. There is a background service called "Windows Search" which contantly runs effects any actions done on files when searching for them.
This includes copying, moving, and deleting. Here is how you do that. Select "Run". In the textbox type "services. Find the one that says "Windows Search".
This will ensure it never starts up again. In other words, Windows will no longer cache things you search for. While caching is good for quick reloading sometimes, in this case it results in longer initial search times. If you change your mind you can easily undo this by going through the same process and changing the Startup Type back to Enabled.
When this was answered in , the comments were possibly correct. A specific case was the moving of 5 files, totaling 1. Personally, I think something else is going on in the process. Unless of course the NSA is involved, in which case, all bets are off It is sad that we don't have something this smart out of the box in our own local windows machine.
LOL the web is faster than my local PC. I am frustrated with this slow machine. I have a very powerful VR-Capable machine and still having difficulties dealing with these files. Office Office Exchange Server. Not an IT pro? Windows Client. Sign in. United States English.
Ask a question. Quick access. Search related threads. Remove From My Forums. Answered by:. Archived Forums. Windows 7 Performance. Sign in to vote. I've had what I though to be intermittent problems with explorer getting hung up or taking forever while moving files to a different directory, or even deleting files.
Media files! Videos and music files seem to be the only ones with this kind of problem. Does not matter the size. It gets hung on Time Remaining: Calculating Items Remaining: Calculating Or if trying to delete: It gets hung on Preparing to recycle Discovering items Time Remaining: Calculating Any ideas? Tuesday, August 11, PM.
Konectics, how many files do the folders containing the video and music file have? In addition, the issue can be related to third-party codecs or third-party components, espcially file system filter drivers, such as anti-virus drivers. You can boot the system into Safe Mode and have some tests.
If Safe Mode works fine, you can then check the startup programs and loaded third-party services by running msconfig. Thursday, August 13, AM. If i have everything in 1 folder, and copy that folder of stuff, it is relatively speedy and accurate.
If i start 2 copy sessions, lets say copy 2 different folders, even if one has almost nothing in it, it takes HOURS. If i cancel the second folder of copying, the first speeds back up, and takes no time at all. Then i copy the second seperately, after the first is done, and it is speedy too! Doing 2 things at the same time, screw it up so much! Sunday, August 16, PM. I have run into this particular behavior. The delay stems from Windows Explorer spending time generating media thumbnail previews in the background.
Open Windows Explorer and navigate to a folder of media where no thumbnails have been generated yet. Try to delete a file.
Watch as Windows takes 30 seconds to several minutes to "discover items" before prompting you to confirm deletion. During this process, notice how Task Manager shows high or maximum CPU usage dedicated to Windows explorer and a dllhost child process. Allow Windows to finish it's thumbnailing process so the CPU settles to idle.
After that, try to delete a media file again. Notice how the delete confirmation dialog appears immediately this time. This was an issue all the way back in Windows 98 for image files. Looks like Microsoft let this particular bug regress its way back in.
Way to go, guys! Sunday, August 23, AM. Compromise 0. Consider configuring symbols in Process Explorer and checking the stacks of the threads of the referenced processes, that are consuming the most CPU - perhaps, a third-party module will show itself as being involved. Sunday, August 23, PM.
I had only one file on my desktop, a 2. It takes 10 mn before the deletion complete displayed message : "calculating time remaining Such a problem have already been mentioned for Vista. I would prefer an instant deletion than knowing the time it will take for that action it is a matter of common sense Sunday, September 13, PM. Have you tried deleting the file from a CMD prompt? What was the outcome? Monday, September 14, AM. I'm having the same problem except is is extremely slow with everything.
I have a NAS server and I tried to move 2 gigs from 1 folder to another and it was taking over 4 hrs. I went to my XP box and moved the exact same data and it took less then 2 min. I had no media files in this group at all. All drivers are up to date, no unusual services etc. Everything else works great and I'm actually quite pleased with Windows 7, but I do a lot of data transfers and this is beginning to sway my opinion of this. Tuesday, September 15, AM.
Windows 7 is extremely slow at those operations. Things that took seconds on Windows XP take at least minutes, sometimes hours on Windows 7. Monday, November 23, AM. I am having the same issue when I am a large files. AVI to a network share.
Does anyone know of a patch or a work around? Monday, November 30, AM. Same issue here. Media files only, locally stored no NAS involved , small or large - doesn't matter. Tuesday, December 1, AM. Has anyone found a solution? Tuesday, December 15, AM. For me it was a malfunctioning hard drive. Windows 7 is extremely sensitive to data errors, even if they occur on disks which are not being accessed. So if you have 2 hard drives, especially if you use a mobile rack or if it's an external hard drive, and one of them has some errors on it for example, messed up files on a hard drive you use to store multimedia - check disk might not even notice these errors , then the indexing process that Win 7 would be running in the background would crash and cause the Explorer to become infinitely slow.
The only solution I could find was to reformat the faulty disk. However, if you do that, make sure you don't copy the messed-up files to another location, because when Indexing reaches them again you will have the same issue all over again.
Alternatively, turn indexing off. The LFN system supports file names up to characters. Other operating systems, however, do not have similar restrictions. If you try to delete one of them, Windows will report that the name of the file is too long and it cannot delete it. Windows is famed for being backwards compatible, and this is a perfect example of where that backwards compatibility is extremely useful. In order to delete a too-long-file, all you need to do is open a command prompt in the directory where the file is located and use a simple command to get the short file name.
Open File Explorer and navigate to the directory where your files are located. Press and hold Shift, then right-click on an empty area. This command will list all the directories and files in the current directory, and it will also list the old 8. Armed with the short name of the file or directory you wish to delete, you can simply issue a DEL command for the file:.
With a clever use of a very old command, you can delete any file regardless of how long the file name is. Use Google Fonts in Word. Use FaceTime on Android Signal vs. Customize the Taskbar in Windows What Is svchost. Best Smartwatches. Best Gaming Laptops. Best Smart Displays. Best Home Security Systems. Best External Solid State Drives. Best Portable Chargers. Best Phone Chargers. Click the Services tab.
Select the "Hide All Microsoft Services" check box. Now click "Disable all". Step 4. This will put Windows into a Clean Boot State. Then , check if the Windows is slow to delete files issue still exists. The Remote Differential Compression enables users to copy data using compression techniques.
Type Windows Features in the search box to open the window. EaseUS CleanGenius is a small and free PC cleanup tool that enables you to clean large files and junk files quickly and efficiently. Select Cleanup on the main screen, and click Scan to start scanning. When the scanning process completes, select useless large files and click Clean to clean large files.
Warning: Typing the wrong path may delete files in the wrong location, as such make sure to input correct command lines carefully. Search for Command Prompt, right-click the result, and select the Run as administrator option. Type cd.. Step 5. If you still have any questions, feel free to contact our technical support team for further help via live chat or email.
If you also have these issues, find brief solutions here. Select Large File Cleanup on the main screen. Select the drive and click "Scan" to let the program locate, find all large files on your disk.
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