1. Here’s how to resolve the following errors

• ‘Your License Key is invalid’.
• 'Your License Key has expired'.
• 'No internet connection found' or 'General connection failure'.
• 'No license seats are currently available'.
• Lumion starts up in Viewer Mode.
• ConvertToTexture.dll error.
• DX8_TextOut.dll error.
• Styletransfer.dll error.

1.1: Error: ‘Your License Key is invalid’.

• Knowledge Base: How do you resolve a 'Your License Key is invalid' error?

1.2: Error: 'Your License Key has expired'.

• Knowledge Base: What does the error message 'Your License Key has expired' mean?

1.3: Error: 'No internet connection found' or 'General connection failure'.

• Knowledge Base: How do you resolve a 'No internet connection found' and 'General connection failure' error?

1.4: Error: 'No license seats are currently available'.

• Knowledge Base: What does the error message 'No license seats are currently available' mean?

1.5: Error: Lumion starts up in Viewer Mode.

• Knowledge Base: Why is there only a 'Load LS file' button on the screen when Lumion starts up?

1.6: Error: ConvertToTexture.dll or DX8_TextOut.dll error:

• Follow the instructions in section 4 in the article below:
• Knowledge Base: How do you install the latest system software required to run Lumion?

1.7: Error: Styletransfer.dll:

• You get one or more messages such as:
  • Styletransfer.dll
  • Channel not found in installation skipping load routine
  • F137EC37-6D8D4FB9-8178-839CE94BD5A8.dll
• Follow the instructions in the article below to resolve this issue:
• Knowledge Base:  Why does "StyleTransfer.dll" error appear after updating Windows 10 to the May 2020 Release (v2004)?