C:WindowsSystem32[&amdmantle64&]. dll is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact your system adming etc. etc. Error status 0xc00012f System is Windows 10, i52500k, AMD R9 280 (running drivers 19.12.3 currently)

Normally, when an application requires amdmantle64.dll, Windows checks the application, and therefore system folders, for that .dll folder. If the file is missing, your entire family may receive an error message and your current application may not function properly.

The reinstallation program may solve this problem. mantle64.dll is often not designed to run on Windows or contains many errors. Try reinstalling the program from the original installation media, or contact your system administrator or software vendor for assistance.

In most cases, ISDone.dll error occurs when the faulty Unarc DLL file is located in the System 32 or SysWOW64 folder. Once the Unarc DLL track is corrupted or missing, your workstation cannot play movies from the install archive, and when you run any mobile application or game, an error like ISDone.dll is likely to appear. Can DLL files be deleted?

Find and even copy the necessary DLL file caused by another computer or installation disk. There are also DLL archives on the Internet where you can find the desired structure of the DLL file. Reinstall the program to currently reference the DLL file. The DLL data error can be caused by a bug in the setup job that uses it.

Since the error message suggests that the Amd_ags_x64.dll file is probably missing, you can try to manually retrieve the file and see if the error is resolved. However, before proceeding to this step, make sure you have activated your antivirus program or Windows Defender.

First, you need to download Amdvlk64.dll from our Windows website. Copy the file to help you program the installation directory after finding the missing DLL file. Or move the DLL file to the system directory (C:\Windows\System32, and for 64-bit version C:\Windows\SysWOW64\). Now you need to restart your PC.