IMPORTANT:
The description at the following link contains information about modifying the Microsoft Windows registry. Before making any changes, please create a backup of the registry and find out more about how you can use the backup if any problems arise later. For information about creating a backup, restoring and editing the registry, see the Microsoft Knowledge Base:https://support.microsoft.com/en-us/help/322756/how-to-back-up-and-restore-the-registry-in-windows
WARNING:
If the Windows Registry Editor is applied incorrectly it can cause serious problems on your PC and a reinstall may be required. Bentley Systems, Incorporated does not guarantee that problems resulting from the incorrect use of the editor can be solved afterwards. Use the Registry Editor at your own risk.
Entries in AppInit_DLLs pose a potential security risk on Windows computers. This can be used to start a software in another software. Therefore speedikon does not support this functionality. If you rename or delete the entry from AppInit_DLLs e.g. the corresponding remote control software or the appropriate plugin, which has set the entry, may not work any longer.
Open the registry by entering regedit into Search programs and files. Navigate to the indicated folders
Using Windows XP:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\Windows
At AppInit_Dlls no data is allowed. If there is a value please rename or delete ist. Then speedikon starts again.
Using Windows 7:
HKEY_LOCAL_MACHINE\SOFTWARE\ WOW6432Node\Microsoft\WindowsNT\CurrentVersion\Windows
Please see following capture.
Further information about APPInit_DLLs http://support.microsoft.com/kb/197571