screw head worn

Hi our showers slide bar has just jumped off the wall The bottom part is all rusted and I've a horrible feeling this is the remains of the screw stuck in the plug in the wall. Any idea on how I can get the screw out? I've tried pliers but it's not budging

Happy new year to those that have a good one. I'm unable to remove multiple screws embedded deep within multiple floorboards into their joist. I suspect the installers used a bit too much pressure with the power tools and partially rounded the heads - as per the image, these are Tongue-Tite...

I have a large cupboard i'd like to take off the wall. It's held in place by three screws at the top and two at the bottom: the top three can be moved with effort but only one of the bottom two will shift; the other won't budge because the head was stripped by the guy who put it in place and no...