Run. Once Registry Key Microsoft Docs. All versions of Windows support a registry key, Run. Once, which can be used to specify commands that the system will execute one time and then delete. In Windows 8 and Windows 8. Run. Once entries for installation of software only SWENUM devices are processed during device installation. Other Run. Once entries are added to the Run. Once key. These are applied the next time the system processes the Run. Once key. Device installation does not force the system to process Run. Once entries. In Windows 7 and previous versions, immediately after a device is installed, Windows executes the command stored under the Run. Once key and then removes the key. Additionally, each time the system starts, it executes the command stored under the Run. Once key and then removes the key. Therefore, if you put a command under the Run. Once key, you cannot easily predict when it is executed. Immediately after a device has been installed, Windows executes the command stored under the Run. Once key and then removes the key. Hi all and Merry Xmas Im having a strange issue and wondered if someone could help me please. I was trying to adjust my recording volume settings and. Additionally, each time the system starts, it executes the command stored under the Run. Once key and then removes the key. Therefore, if you put a command under the Run. Once key, you cannot easily predict when it is executed. For device installations, Run. Once registry keys can be created by using add registry sections, which are specified through INF Add. Reg directives. Each add registry section has the following syntax reg root, subkey, value entry name, flags, valueThe registry root reg root and subkey values for the Run. Once registry key are as follows HKLM, SoftwareMicrosoftWindowsCurrent. Microsoft Crm Mail Merge Error External Table Is Not In The Expected'>Microsoft Crm Mail Merge Error External Table Is Not In The Expected. VersionRun. OnceThe value entry name string is omitted from a Run. Rundll32.Exe Windows 8.1' title='Rundll32.Exe Windows 8.1' />Aero not enabled, working or running or has stopped working This post will help you reenable Aero and fix the Aero not working in Windows 1087 issue. Rundll32. exe files are system processes related to the Windows 10s functioning. These files are actually part of a code network connecting many programs on your. Solved Just installed windows 10. An dialog window pops up immediately after logon, saying Power Manager Gauge Error occurred while loading. Once registry entry. The type of the entry, which is indicated by the Flags value, must be either REGSZ Flags value of 0x. REGEXPANDSZ Flags value of 0x. For an entry of type REGSZ the default, the Flags value can be omitted. The value parameter in a Run. Once key specifies the command to be executed. This parameter is a quoted string that has the following format Rundll. Dll. Name,Entry. PointArguments. By default, a Run. Once key is deleted after the specified command is executed. You can prefix a Run. Once key value parameter with an exclamation point to defer deletion of the key until after the command runs successfully. Without the exclamation point prefix, if the specified command fails, the Run. Once key will still be deleted and the command will not be executed the next time that the system starts. Also, by default, the Run. Once keys are ignored when the system is started in Safe Mode. The value parameter of Run. Once keys can be prefixed with an asterisk to force the command to be executed even in Safe Mode. Consider the following guidelines when you create a value string entry Rundll. Dll. Name is the full path of a DLL or executable image. Except for a required terminating comma, the expression must not otherwise contain any commas. If no file name extension is supplied, the default extension is. Entry. Point is the name of the entry point within the DLL indicated by Dll. Name. Arguments is an optional substring that contains any arguments that must be passed to the specified DLL. Exactly one space must separate the Entry. Point string from the Arguments substring. The following code example shows the add registry section entry that stores a command and its arguments under the Run. Once key WDMAud swenum install. HKLM,Run. Once,WDMWDMAUD,. Streaming. Device. Setup WDMWDMAUD. Device. Id,KSNAMEFilter,KSCATEGORYWDMAUD,1. WDMAUDIO. inf,WDMWDMAUD. Interface. Install. Run. Once SOFTWAREMicrosoftWindowsCurrent. VersionRun. Once. WDMWDMAUD. Device. Id CD1. 71. DE3 6. E5 1. 1D2 B5. 6D 0. F8. 75. 43. 80. Hello, I was having the same issues with rundll32. CPU usage. Here is what was causing my issues. Step One I downloaded Process Explorer. Windows_104-650x373.png.pagespeed.gp+jp+jw+pj+ws+js+rj+rp+rw+ri+cp+md.ic.3wtA1C-7aD.png' alt='Rundll32.Exe Windows 8.1' title='Rundll32.Exe Windows 8.1' />KSNAMEFilter 9. B3. 65. 89. 0 1. F 1. D0 A1. 95 0. AFD1. E4. KSCATEGORYWDMAUD 3. Kiss The Rain Piano Midi Download there. E2. 27. E7. 6 6. How to Fix RunDLL Error in windows 7, Windows 8 and 8. RunDLL Error at Windows Start up occurs when you uninstall a program and its registry key and. D 1. 1D2 8. 16. F8. BF1. The following rules apply when you use Run. Rundll32-exe-04.png' alt='Rundll32.Exe Windows 8.1' title='Rundll32.Exe Windows 8.1' />Once registry keys for device installations These registry keys must be used only for installations of software only devices that are enumerated by SWENUM, the software device enumerator. Run. Once keys must consist only of calls to Rundll. Otherwise, WHQL will not digitally sign the driver package. The code to be executed must not prompt for user input. Server side installations execute in a system context. For this reason, you must be certain that the code to be executed contains no security vulnerabilities and that file permissions prevent the code from being maliciously modified. Starting with Windows Vista, the system will not execute the commands specified by the Run. Once keys if a user without administrator privileges is logged on to the system. This could lead to incomplete or corrupted installations following a system restart. Rundll32.Exe Windows 8.1' title='Rundll32.Exe Windows 8.1' />Before the device installation application creates the Run. Once entries, it informs the current user that a user who has administrator privileges must log on after a system restart. For more information, see Developing Applications that Run at Logon on Windows Vista. Dwm. exe issues on Windows 1. Dwm. exe stands for a core Windows 1. Desktop Window Manager. Even though this is an important process, many users reported issues with dwm. Windows 1. 0, and today were going to show you how to fix them. Solution 1 Check your computer for malware. If dwm. exe is using too much CPU power or memory, it might be due to a computer virus. Users reported that after scanning their computer with Malwarebytes and removing all the suspicious files the problems with dwm. We already covered some of the best antivirus programs for Windows 1. Solution 2 Restart explorer. Users reported that dwm. RAM, but theres a simple workaround that you can use. Users claim that you can temporarily fix this problem be restarting explorer. To restart explorer. Press Ctrl Shift Esc to start Task Manager. When Task Manager starts go to the Details tab. Locate explorer. exe, right click it and choose End Task. Now go to File Run a new task. Enter explorer and click OK. You can also fix this problem by logging out and logging back in to Windows 1. Bear in mind that this is just a workaround and you might have to repeat it every time this issue occurs. Solution 3 Remove third party antivirus programs. Antivirus software can cause problems with dwm. PC. Users reported that both Avast and AVG caused issues with this process, so be sure to remove those tools from your PC. We have to mention that almost any antivirus program can cause problems with dwm. PC. Even if you remove all third party antivirus programs your PC will still be protected by Windows Defender. Solution 4 Disable problematic services. Certain services can cause problems with dwm. Windows 1. 0 and only solution is to find and disable those services. To do that follow these steps Press Windows Key R and enter services. Press Enter or click OK. Once the Services window opens you need to disable Skype Updater, Google Update gupdate and Google Update gupdatem services. To do that, simply find the service that you want to disable and double click it. When the properties window opens change Startup type to Disabled and click Apply and OK to save changes. Be sure to disable all services mentioned in Step 2. We have to mention that different services can cause problems on your PC, so you might have to disable different third party services in order to fix this problem. Solution 5 Check your USB devices. Few users reported that dwm. PC and gave them the BSo. D error. After a lot of research users concluded that the problem was caused by wired Xbox controller and after replacing the controller the issue was fixed. Even if you dont have an Xbox controller connected to your PC you can try to remove or replace the USB devices and check if that fixes the problem. Solution 6 Delete the mdi. Users reported that un unknown file named mdi. To fix this issue users are advising to delete the problematic file from Command Prompt. To do that follow these steps Click the Start button, press and hold the Shift key and click the Restart button. When your computer restarts choose Troubleshoot Advanced options Command Prompt. When Command Prompt opens you need to enter the following. C cd. Users. Elias. App. Data. Local. Tempdel mdi. 26. 4. After deleting the file close Command Prompt and restart your PC. Solution 7 Disable Chrome Pepper Flash extension. In some rare cases Chrome extensions can cause issues with dwm. Windows 1. 0. According to users, you can fix this problem by disabling the Chrome Pepper Flash extension. To do that follow these steps Open Chrome. In address bar enter chrome plugins and press Enter. List of active plugins will appear. Locate Chrome Pepper Flash and click Disable. Solution 8 Install older graphic card drivers. Users reported that latest Nvidia drivers can cause dwm. Nvidia drivers. To do that, follow these steps Press Windows Key X to open Power User Menu. Select Device Manager from the list. When Device Manager opens locate your graphic card driver and double click it. Go to the Driver tab and click the Roll Back Driver button. Wait for the process to complete. Few users reported that even integrated Intel HD 4. Solution 9 Remove Logitech Set. Point software. According to users, tools such as Logitech Set. Point can also cause issues with dwm. Users reported that removing this tool fixed the issues, so be sure to try that. Dwn. exe is an important Windows 1. If youre still having issues on your PC or you simply want to avoid them for the future, we recommend you to download this tool to fix various PC problems, such as corrupted files, malware and hardware failure.