It has been six days since I jumped into this CHDK business and sometimes I sink more than swim, but I am persistent if nothing else.
I was taking a few pictures yesterday evening when I half-pressed the shutter to focus; at this point, an orange light started flashing and a little camera icon on the screen started winking.
I went ahead and pressed the shutter to take the picture; the shutter did it's think and the camera froze up; the screen went blank and was faintly lit blue-grey; and, that orange light just kept on flashing.
Had I have left it to it's own resources, it would have kept it up until the battery died.
I had no control whatsoever.
Finally, I opened the battery door and loosened the battery enough to break contact.
The camera shut down, but the lens remained extended.
I pressed the Play button, the lens retracted, and the camera fired up as good as new; everything seemed to be okay until I tried to take another picture, at which point everything froze up again, except for that flashing orange light.
I put in a fresh battery and tried a brand-new SD-card minus CHDK; I could once again take pictures, but now I was constantly getting the flashing orange light and winking camera icon at every half-press of the shutter, yet everything else worked.
Someone suggested setting everything back to default settings; I tried that and everything started working as it should.
I reinstated all of my settings and all worked fine.
I tried the CHDK card again and the camera froze up again.
I could get everything set back to rights with the other card and retry the CHDK card and lose everything again.
So, I had to use EaseUS Partition Master (Windows Disk Management would not do it) to delete the logical volume from the CHDK card and extend the boot partition to become a full capacity single partition card again.
Before merging the partitions, I formatted both of them to remove any corrupted data.
I used Stick to reinstall CHDK anew, put the card back in the camera, and everything works once again.
I don't know what caused my scenario, nor what caused CHDK to become corrupted; but, it can and did happen.
So, if a similar event ever happens to anyone else, just purge the CHDK card and reinstall CHDK again and the problems will maybe go away.
Thanks for reading; I hope this helps someone else.
Canon PowerShot SD880 IS