I found my old SD card, put it in my laptop, but can't access it. When I go to Windows Explorer, it doesn't give any feedback and a short time later the message appears: Windows Explorer has stopped working and the screen freezes a. Has one tips
The SD card may be broken.
Unfortunately, this happens quite often and especially with MicroSDs. Mainly because you wrote that it was an old SD card.
You could at most check it again on another computer with Linux if necessary.