Thank you. That is exactly what the problem was. After putting up my post, I uninstalled everything and started again. I installed again at 64 bit and now everything is working perfectly again.

<t>Hi everyone,<br/>
<br/>
I am new to this forum but I have been using Sweet Home 3D for over 12 months for personal use.<br/>
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Until a few weeks ago, I was using version 6.6, then updated to the latest version 7.4.<br/>
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Since updating to the latest version, I have had nothing but ...