Software & Apps Windows How to Fix Advrcntr5.dll Missing Errors A troubleshooting guide Share Pin Email Print Windows The Ultimate Laptop Buying Guide By Tim Fisher General Manager, VP, Lifewire.com Tim Fisher has 30+ years' professional technology support experience. He writes troubleshooting content and is the General Manager of Lifewire. our editorial process Facebook Twitter LinkedIn Tim Fisher Updated December 18, 2018 Advrcntr5.dll errors, most often the "This program requires the file advrcntr5.dll, which was not found on this system." error, are caused when, for whatever reason, the advrcntr5.dll file is deleted or moved from its proper location. The advrcntr5.dll file might go "missing" because it was accidentally deleted from the folder, because an anti-virus or another security program mistakenly removed it thinking it was a security threat, or due to an issue when you last upgraded or reinstalled Nero. Advrcntr5.dll errors may show up a few different ways depending on how it was generated. Here are the more common advrcntr5.dll errors that people see, with the first one being the most common: This program requires the file advrcntr5.dll, which was not found on this system.ADVRCNTR5.DLL MISSINGFile advrcntr5.dll not found Most advrcntr5.dll "not found" errors are due to issues with certain versions of the Nero CD and DVD burning software program. The advrcntr5.dll DLL file is a file that must exist in the correct folder for Nero to burn CDs or DVDs. The advrcntr5.dll error message could also be related to HTCMonitorService used with HTC Sync Manager. This program is installed within the Nero installation folder, so they're closely related. The DLL error could be seen on any of Microsoft's operating systems that Nero is compatible with, but it might even appear on computers without Nero installed if the computer is infected with certain kinds of viruses or other malware. How to Fix Advrcntr5.dll Errors Do not, under any circumstances, download the advrcntr5.dll DLL file from any "DLL download site." There are several reasons that downloading DLLs from these sites are never a good idea. If you've already downloaded advrcntr5.dll from one of those DLL download sites, remove it from wherever you copied it to and continue with the following steps. 1. Restart your computer. The advrcntr5.dll error might be a fluke and a simple restart could clear it up completely. 2. Record the serial number of your particular Nero installation. The easiest way to do this is by following the instructions provided by Nero on their Upgrade Center page. Once there, click Need to find serial number? and follow one of those methods. Can't find your Nero serial number using Nero's instructions? A product key finder program could help. 3. Uninstall Nero from your computer. You can do this with a free uninstaller tool as well as via the Uninstall Nero link in the Nero program group (if available). Another way is to use the Programs and Features or Add/Remove Programs applet in Control Panel. 4. Restart your computer. 5. Download the Nero General CleanTool utility. Extract and then run this free program from Nero. This utility will ensure that Nero is 100% removed from your computer. This file is in the ZIP format. Unzip it from within Windows or use a dedicated file unzipper like 7-Zip. Nero General CleanTool is only guaranteed to work up through Nero 9. Newer versions of Nero should uninstall more completely via the standard uninstall method in Step 3, but feel free to try CleanTool if you like. 6. Restart your computer again, just to be safe. 7. Reinstall Nero from your original installation disc or downloaded file. Hopefully, this step should restore the advrcntr5.dll file. 8. Install the latest update to your Nero program if there is one available. There may have been certain issues in your original version of Nero that caused the advrcntr5.dll error you've been seeing. 9. Restart your computer, again. 10. Reinstall HTC Sync Manager or disable HTCMonitorService to see if that's what's causing the advrcntr5.dll error. To disable the service, execute the msconfig command in Run or Command Prompt, and then go into the Services tab to disable it. If this fixes the error after a reboot, be sure to reinstall HTC Sync Manager. 11. Run a virus/malware scan of your entire system if the Nero reinstallation steps and other troubleshooting steps above don't resolve your issue. Some advrcntr5.dll issues are actually related to hostile programs that masquerade as the advrcntr5.dll file. The advrcntr5.dll file should be located in the C:\Program Files\Common Files\Ahead\Lib or C:\Program Files\Common Files\Nero\AdvrCntr5 folder. If you find the advrcntr5.dll file in the C:\Windows or C:\Windows\System32 folder, chances are it is not Nero's legitimate advrcntr5.dll file.