What is nopdb.exe? Is nopdb.exe spyware or a virus?

How to fix nopdb.exe related problems?
1. Run Security Task Manager to check your nopdb process
2. Run SpeedUpMyPC to fix related speed issues
3. Run Spyware Doctor to remove persistent malware

Process name: NOPDB

Product: Norton Speed Disk

Company: Symantec Corporation

File: nopdb.exe

Security Rating: 1


"nopdb.exe" is a part of Norton Speed Disk (a component of Norton Utilities), which is provided with system utility products such as Norton Systemworks 2003. http://www.neuber.com/taskmanager/process/nopdb.exe.html 

Get more detailed information about nopdb.exe and all other running background processes with Security Task Manager.

Note: Any malware can be named anything - so you should check where the files of the running processes are located on your disk. If a "non-Microsoft" .exe file is located in the C:\Windows or C:\Windows\System32 folder, then there is a high risk for a virus, spyware, trojan or worm infection! Check it out!


Click to Run a Free Scan for nopdb.exe speed issues.


Users Opinions

Average user rating of nopdb.exe: 4 based on 89 votes. Read also the 86 reviews.

658 users ask for this file. 52 users rated it as not dangerous. 7 users rated it as not so dangerous. 12 users rated it as neutral. 8 users rated it as little bit dangerous. 10 users rated it as dangerous. 8 users didn't rate it ("don't know").


All comments about nopdb.exe:
rate2 NOPDB.EXE is a service used by Speed Disk, part of Norton SystemWorks 2003. It is mainly associated with scheduling Speed Disk, but it does run by default. If you disable it, Speed Disk will still run when manually launched.  
rate5 It takes up 99-100% of my CPU when it runs killing speed on all other processes.   Jim Larsen
rate1 speed disk will NOT run without this file,manually or automatically   Mallikye
rate2 not harmful, but can be a major CPU time hog.  
rate1 it is used by norton systemworks, leave it be   gabe
rate1 Es del norton system works speed disk   Luciano
rate1 Try to schedule Speed Disk to run at times when you're not using your computer, as it will hog most of your CPU.  
rate0 it is making my hard drive churn like crazy not using much cpu time though.   jamie
rate5 Usefull utility, but it hogs CPU for no reason like bad spyware.   M
rate4 MAJOR CPU KILLER-It is named speed disk right? Why should it bog the computer this is one thing Symantec did not test throughly in my opinion   Leanna
rate1 Edit your speedisk schedule so it runs when you're not using the computer - or disable scheduling and run manually.  
rate3 You cannot in Speed Disk without NOPDB.EXE running. BUT, if you are not running speed disk or Norto Utilities and it is boging you down, kill it. Reboot if you need it back; I have not tryed launching from comman line.   Britt
rate1 of course it takes up your available cpu usage when it runs....it is sorting your HDDs...be patient or disable spped disk and run manually when needed   Steed
rate1 If you don't use a defragmenting tool on a regular basis you might want to leave it on or explore scheduling options.   System Administrator
rate1 Running a high end 3.4 gig with 1gig ram and it still is using 50% of my CPU resources   Carlos F
rate0 Uses 0 CPU percent, until scheduled defragmentation is started. A tip, don't use the HDD it is defragmenting ! To stop a currently running defragmentation that was scheduled, simply fire up speed disk, and you see the progress from the program, which is where you can click on the stop button if you want to have the resources back.   Squija
rate1 First, the process is not dangerous although though it does take up valuable space in memory and a cycle or two from the CPU when it's not active. Second, the NOPDB service needs to be running for Speed Disk to start, manually or automatically, so the service can be set to MANUAL instead of AUTOMATIC and will only activate when you start Speed Disk. Stopping Speed Disk will halt and unload NOPDB.EXE Third, this process only becomes a hog when it's actively analyzing or reorganizing your disk(s). If you don't ever use Speed Disk remove the application and then no worries.  See also: Link   AKomie
rate1 very little cpu on non-paged disks   Nick
rate1 Schedule speed disk to run when you aren't using your computer so that it runs faster when you are using it   John
rate3 Looks to be part of Norton, but keeps crashing on me  
rate5 CPU Sucker   Kill Norton
rate1 Norton Speed disk   Andy
rate1 Norton Speed Disk is a disk defragmentation software.   Crius
rate1 Speed Disk won't run without it, and it never takes up any significant CPU usage for me, so just leave it alone   Mitchell
rate1 Leanna "Speed Disk" defragments your hard drive when it does this it is moving a lot of files around that is why it bogs the pc down.   Chris
rate3 NOPDB.EXE hogs cpu for 2-3 min causing the hard drive to work like crazy. It is speed disk but its not supose to be working right now   Malcolm
rate3 This runs on my machine even when Speed Disk is not running and sometimes (not always) hogs the processor. When I stopped it whilst Speed Disk was running, Speed Disk itself stopped (understandably).   Pete
rate1 It's from Norton Systemworks 2005   Nick
rate1 Check where the file is if you are having issues or you are a security freak, but otherwise this file is generally safe and user installed.   Arckanghel
rate4 Needs to run at a lower priority. It shuts down my system. It would be better if I could assign it a start time. Worst of all, as of most recent Live Update, I cannot kill the task.   Doug Haden
rate3 If it's running and taking a lot of CPU, launch Norton Utilities, go to Speed Disk and STOP Speed Disk. Turn off scheduler within Speed Disk and it won't happen again.   Aaron
rate3 I removed nopdb.exe startup entries without significant consequence. I did so (WinXP, Norton SW2005) and the manual defrag still worked. Obviously, defrag scheduling might not be effective from doing so.   RiXo
rate1 Not dangerous. Used by Norton Speed Disk. Uses 2.5MB system memory. Uses no CPU time until Speed Disk application actually runs. It does not sort your drives until you run the speed disk application. Disable scheduling and run manually. This will not affect the program.   Sam
rate0 cant remove   pat
rate5 Major CPU killer - But not always associated with norton speeddisk since it found its way to my computer without norton being installed. search came up nothing. according to the search not on my computer... but it keeps coming up in my task manager.  
rate4 it takes up most of my cpu and starts and stops every 5 mins..not helpful  
rate2 NOPDB.EXE is Norton Speed Disk. When running whether manual or automatic it works the disk hard but uses only a small slice of CPU time.   Bill
rate1 I know that it slows my computer down, works like crazey in the background slowing everything. I think Norton should have fixed this and offered an update for clients.   Laura
rate1 Speed Disk for Norton Utilities   Michael
rate1 Part of the Speed Disk schedule utility. Seems to crash every few days (system runs for weeks without being shut down) Never noticed any cpu usage, but the schedule is for 6:AM, when I am not using the computer.   Kyrin
rate0 I see the process NOPDB.EXE running but I don't have any Norton software and can't find the file NOPDB.EXE on my hard drive - could this be an alias for malware?   John
rate1 Part of Norton Utilities - Defragments hard drive in the background so MAY CAUSE HIGH CPU USAGE and SYSTEM SLOWING - Perfectly benign, however, as it is only doing it's job. Killing this process manually MAY CORRUPT DATA if it is currently defragmenting. Can be run on a schedule so process can appear and disappear at whim - forced executin at the time of a scheduled defrag WILL cause high CPU usage.  See also: Link   Robert
rate3 my firewall alerted me that nopdb.exe was trying to access the internet. I understand CPU usage in defragmenting but what does it want to tell somebody else while it is doing it?!!!   Eugene
rate3 Pain in the ass! I have this scheduled to run once a week, but it runs in the background pretty constantly, ruining HDD performance.   9000
rate0 for some reason my firewall is telling me that nopdb.exe is trying to broadcast to the internet , anyone have an opinion on that.   gary kay
rate4 It takes up CPU memory even though I didn't start up Speed Disk. Its strange that it was doing this.  
rate5 if it is not in capital letters it is something else   Jimmy
rate1 Speed Disk for Norton Utilities. Takes all available CPU resources. I scheduled it at 1 am but it fired the speed disk process in the day. Disable or reconfigure your speed disk schedule   belgampaul
rate1 Came here looking; I thought it might be a Norton Utility   Dan
rate1 Yes, as others point out it is part of Norton SystemWorks program. CPU usage is low but as it is reveiwing the hard drive access to programs is delayed. If that's a problem set the automatic cleaning process for a time when you are not using the computer.   Tony
rate1 Required by Norton Speed disk, If you dont understand it maybe you shouldn't be running Norton product   AlanR
rate2 Sounds bad because hard disc going crazy but only using about 15% CPU   Brent
rate1 Not a big deal. May bog down some CPU's to run, but it can be scheduled to execute during times you won't be using it. One of the better defragment utilities out there and it worth the slowdown on your CPU while it defrags.   Sephy
rate4 Wants to connect to internet on scheduled time, why? 12.158.80.10:80 crl.verisign.net   Marvell
rate5 I dont have Norton installed, nor have I ever, This crap file is runing on my system that has NEVER had Norton products on it, it is running and cannot kill it, it comes right back when I do, it is NOT A NORTON PRODUCT on my system. Not sure what the hell it is.   fIXjACK
rate4 might be a "look2me" adware. There is a tool to remove this but the adware copies itself to new dir's and creates new names. I dont use Norton SW (but have Ghost,AntiVirus). Manual deletion is required after finding it (use MS Defender beta2)  See also: Link   brandon
rate1 If it seems to keep running, even when you're not running "Speed disk", then open "Speed disk" and go to "Analysis" side tab. Make sure you select "Stop Analyzing". If you ever select "Start Analyzing" it will always want to analyze and defrag your HDD('s).   Simcoe
rate5 This is part of Norton Speed disk, however on my current system (which has never had Norton installed) it has appeared as malware. PrevX claims it's part of !UPDATE.exe (not the windows one) and I'm very inclined to trust PrevX's assessment. My advice is not to delete it until you have reason to believe it's spyware.   Z-kun
rate4 When I try to end the process (its not on my applications list), I get a message saying "access denied"   Rocco
rate1 yes, i can say the same thing 200 times as well and then belittle people for their lack of knowledge   Sensible1
rate2 bogs down my HD like crazy, programs take 4 times as long to start on a 3.2gig Intel!   Frank
rate3 The reason it shows up is because it's memory resident if you have scheduled system defrags. If it's not defraging it doesn't take a lot of memory but it doesn't seem to care if you happen to be doing something on the PC and it will jump to over 100k. My issue is that lately it's been crashing, not sure if it's a Windows update or not but was fine on SP2 until a few weeks ago. I just restored an image from July (not because of this) and it's still doing it.   FrantiX
rate1 If you don't like bloatware or have a very slow system try these free options and programs. Many times malware disguises itself as any process use an antispyware program(Spybot S&D)(Security Task Manager) or an antirootkit tool. Google and Wikipedia is also good start.  See also: Link   Lyskar
rate1 its definantly not dangerous, but for faster internet and CPU time, disable it   boeing777
rate2 Norton Speed disk I always get errors , usually the schedule, and the you cant terminate in the task manager, norton services usually say access denied   Cheese Doodle
rate1 Not essential. Check AdministrativeTools/Services for "Speed Disk service" set Properties/Startup type = Disabled. You can always run it manually. If theres no service Spedd disk then probably its a malware.   FA_PT
rate1 It is not dangerous at all. You can set Speed Disk up to run on a schedule and thereby cause this file to run at another time.   Ed
rate1 Yep, I thought this would be a Norton  
rate1 A norton utility, i thought so, just did a quick google check because its causing my computer to make "reading disc whirring" noises, although it does not degrade performance, it use 4% of my AMD Athlon 64 X2 5200+   InfinityLiger
rate4 Also in NIS 2007. Never, ever, run speed disk on an home XP/SP2 NTFS system. It fragments every file on the drive near as I can tell. Never puts them back together.   Skippy
rate1 norton file. it suck all mem + can't kill it. even as System user. just restart....   ndt
rate0 i have this process nopdb.exe on my computer and I have never used Norton anything. I know better than to use Norton.   thebp
rate0 Google confirms this is a process of Norton Utilities Speed Disk (a disk defragment program) Leave it alone. Speed disk will operate at 20% frag level by default or at any other frag level you set within Utilities Scheduling  See also: Link   glmoyer45
rate1 Its a tool for defragging your hard drive of course its gonna make the hard drive churn and slow your computer down. The purpose of it is to defrag the hard drive so your computer can access data faster AFTER its done running. Set the freaking thing to manual and run it manually before you go to the crapper. When ya get back it will be done   Barney Buttlips
rate1 Crashes everytime I leave my computer idle for more than an hour, therefore not required if it's not running most of the time anyway.  
rate1 Speed Disk will not run if you deny it in Zonealarm. You must shut down all internet Activity. It will only become a CPU hog if you manually start it or you've setup Speedisk as a scheduled task.   Suncoast
rate1 NOPDB.exe To Britt - 12 down from top: If you "End Process", you DON'T need to reboot to run Speedisk (Norton 2007). All you have to do is just start Speedisk and it will re-enter NOPDB.exe in processes, but unless started (the application), it doesn't take up as much CPU as it did without Speedisk NOT running. Just checked it. Defrag is scheduled but not open or minimized. I noticd it when running Norton Antivirus 2007, AFTER thescan was complete and the app closed, it was taking my CPU to 90% - I have 3 Ghx, 1 GB RAM. No, Norton hasn't explored this carefully enough, IMO.   MCP - MS Beta Tester
rate5 It's bogging my system down  
rate1 Here's the rundown for the less technically inclined - Norton Speed Disk will eat CPU and make your system slow down WHEN it's running, but when it finishes the defrag, your system will run considerably faster than if you hadn't run it. If it's annoying you, here's the solution - in the Norton Speed Disk interface, click View Global Options... Set Priority slider to Low, set Memory slider to Low, click Apply, then click OK. It will take more time to defrag this way, but it will be considerably less annoying. Running on Win 2K, and it's the best defrag utility I know.   Kurt :-)
rate5 Net info says it's Norton. I don't have norton. System was d r a g i n g. Delted NOPDB.exe using TaskManager and BINGO my PC is responsive again! Whopie! Yea! Sorry got carried away.   et
rate1 If running when not wanted, just enter Norton and stop it. Set your defragmentation schedules to match your needs.   GenoJoe
rate0 I do not own and have never installed Norton System Works 2003 onto my PC, i have this file sitting in my computer and while it runs, i get adware popups like crazy, when i close this process, the popups go away. Beware as Malware could try to use this name for its dirty deeds !   Tolga-Han
rate3 Major CPU hog. Uninstall Speed Disk and get Diskeeper; it's faster and more transparent.   Andrey
rate1 It's a CPU hog, but you're using it for a reason... if you want your drive defragged, you need to not use other programs while it runs. It being a CPU hog means less chance of that, therefore win-win!   Jeff
rate3 nopdb.exe background-monitors fragmentation   psic88
rate1 Leanna: It's called "SpeedDisk" because it de-fragments your hard drive, though the process itself is CPU-intensive. Schedule it to run when you're not using the computer (i.e. overnight).   SoCalGuy

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