please use the script to get all your disk errors be fixed in all partitions. fix errors for the active disk (C: in most cases) will be performed once your computer gets restarted.
## fixes errors on the HDD
## collect all type 3 drives - HDD drives
from subprocess import PIPE, Popen
p = Popen('wmic logicaldisk where drivetype=3 get name', shell=True, stdout=PIPE, stderr=PIPE)
o, e = p.communicate()
ls = o.split('\r
')
cls = []
for i in ls:
i = i.strip()
if i != 'Name' and i != '':
cls.append(i)
cls = ' '.join(cls)
##print cls
## perform chkdsk operation for each drive
ch = Popen('for %i in ({}) do echo y | chkdsk %i /f'.format(cls), shell=True, stdout=PIPE, stderr=PIPE)
ot, er = ch.communicate()
print ot