Using the Altium Designer 18, when open the tip as shown in figure error, "
External exception E0434352 at 00007 ffbc30c96c9.
KERNELBASE. DLL, Base Address: 00007 ffbc3090000.

Failed to load file or assembly "the org.eclipse.swt.accessibility, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" or one of its dependencies, the system cannot find the specified file, "

According to other tutorials, replace "C: \ Windows \ assembly", enabling. NET3.5 and. NET4.7 is useless,