Co-author and topic starter: Admin writhziden\n\nPlease use the Windows Performance Analyzer (WPA) to provide us with your trace file.\nThe trace file will probably be too large to upload here, so host it from a third party site like Dropbox or Microsoft OneDrive. \nYou can check the original tutorial for Windows 7: How to Diagnose and Fix High DPC Latency Issues with WPA (Windows Vista\/7\/8) (click).\nBy the way, very similar steps can be used with the Windows 10 (and they are explained, with pictures, in following steps, at points E and F).\n\n\n\nPlease provide answers for (answer the best that you can):System Manufacturer?\nLaptop or Desktop?\nExact model number (if laptop, check label on bottom)\nOS ? (Windows 10, 8.1, 8, 7, Vista)\nx86 (32bit) or x64 (64bit)?\nService pack?\nWhat was original installed OS on system?\nIs the OS an OEM version (came pre-installed on system) or full retail version (YOU purchased it from retailer)?\nAge of system? (hardware)\nAge of OS installation?\nHave you re-installed the OS?\nCPU\nRAM (brand, EXACT model, what slots are you using?)\nVideo Card\nMotherBoard - (if NOT a laptop)\nPower Supply - brand & wattage (if laptop, skip this one)\nIs driver verifier enabled or disabled? \nWhat security software are you using? (Firewall, antivirus, antimalware, antispyware, and so forth)\nAre you using proxy, vpn, ipfilters or similar software?\nAre you using Disk Image tools? (like daemon tools, alcohol 52% or 120%, virtual CloneDrive, roxio software)\nAre you currently under\/overclocking? Are there overclocking software installed on your system?\nRun msinfo32\nOpen an instance of elevated command prompt:\n\n Log on to your Windows 10 computer using any account of your preference.\n Once on the desktop screen, right-click the Start button.\n From the context menu, click Command Prompt (Admin) (a new black window should appear).\n Type the following into the Command Prompt (the black window):msinfo32 \/nfo "%USERPROFILE%\\Desktop\\msinfo32.nfo"(You should find msinfo32.nfo on your desktop, when it finishes)\nOpen and run DxDiag.exe\nThis tool is used to collect info about devices to help troubleshoot problems with DirectX sound and video.\nA support person might ask for this info, or you might post it in a forum when you ask for help.\n\nIn Windows, select Start and enter dxdiag into the search box on the taskbar.\nSelect dxdiag from the results.\nIn the tool, select Save All Information for an easily shared format. \nYou will find the Save All Information button between Next Page and Exit at the bottom of the window. \n(You should find dxdiag.txt on your desktop, when it finishes)\n\n\nRetrieve System Information, using speccy\n\n\nDownload Speccy portable (click)\n(current version at the time of this post is 1.31.732, but it will change in the future... The link should always point to the newer version, by the way)\nUnzip\/decompress it and put it on your desktop.\nWhen the program opens, it will retrieve some information regarding your system.\nOnce it's done, select the File menu and choose Publish snapshot. Answer Yes to the confirmation message.\nOn the next screen that comes up, choose the Copy to Clipboard button and paste this link in your next reply.\nDownload and install the Windows Software Development Kit (SDK) for Windows 10(click).\nCurrently it's named winsdksetup.exe, size 1.13MB; but this can change when newer versions are released.\nCheck the instructions I made for you:\nClick Download, save\/run it and you'll see for first Specify location: leave it default or choose your preferred location, then click Next.Then you'll see Windows kits privacy: Niemiro said "you may opt in to CEIP if you so wish - it is not necessary, but you may wish to do so". Then click Next.Then you'll see License agreement: click Accept.Then you'll see Select the features you want to install: select only Windows Performance Toolkit and click Install.Set the path environment variable adding the windows performance toolkit path: go to Control Panel\\System and Security\\System - advanced system settings, (click yes in the UAC window that should appear if you didn't disable it), click environment variables, double-click path under the system variables pane (or click it once and then click edit), and add C:\\Program Files (x86)\\Windows Kits\\10\\Windows Performance Toolkit\\\nUnfortunately, the following command (that worked in previous windows OSs) doesn't work from an elevated command prompt:SET PATH=%PATH%;C:\\Program Files (x86)\\Windows Kits\\10\\Windows Performance Toolkit\\If you have chosen another path in specify location, you should provide THAT ONE.You can generate a new trace with this command, from an elevated command prompt window:xperf -on DiagEasyIn case you don't know how to open an elevated command prompt in windows 10, these are the available methods:\n\nRight-click windows start, click command prompt (admin), click yes on the user account control window that should appear (if you didn't disable UAC)\nclick start, click windows system, right-click the command prompt in the list, click run as administrator, click yes on the user account control window that should appear (if you didn't disable UAC)\nclick start, type directly cmd (or prompt), right-click the command prompt in the list of results, click run as administrator, click yes on the user account control window that should appear (if you didn't disable UAC)\nThe same of above is valid if you do it in the searchbox (Cortana)\nclick start, type directly cmd (or prompt), (the command prompt should already be the first hit in the list of results), press and keep pressed (hold) ctrl + shift Keys on your keyboard, then press enter, click yes on the user account control window that should appear (if you didn't disable UAC)\nThe same of above is valid if you do it in the searchbox (Cortana)Wait some time (Niemiro said: "Wait until the computer has gone through a period of stuttering slowness") and then:xperf -d "%userprofile%\\Desktop\\trace.etl"\n(You should find the file trace.etl on your desktop, when it finishes)\nZip (no RAR, please) all the files up: trace.etl, msinfo32.nfo and DxDiag.txt (you should find them on the Desktop of your administrator account) and attach them to your next post.\nCheck MicroSoft Support How-To: Zip and unzip files (click) if you don't know how to zip files.\nDon't forget to attach the link to your speccy snapshot.