that’s very odd. Can you import the ‘broken’ symbols into pcbnew or the schematic editor? You may have to roll back your windows or use kicad in a linux virtual machine or something.
Yes, it is odd. I am sure I am doing something wrong, but I cannot figure out where. No, the broken symbols are lost. Thanks for you help, but I think the problem is with Windows, there are a lot of issues posted on the Microsoft website regarding the October update of Windows and the “read-Only” file property that cannot be changed. As a last resort I think I have to roll-back the update.
Thanks everyone for your assistance, I think I have found the problem.
I still have an old version of Protel installed on my computer, and the cache file was associated with Protel and not KiCAD. When I changed this the problem went away. I found this by accident, but at least I found it. Thanks again.
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