OK let me know if this allows you to install
CAUTION : This fix is only valid for this specific machine, using it on another may break your computer Open
notepad and copy/paste the text in the quotebox below into it:
CreateRestorePoint:
AV: PC Cleaner Pro (Disabled - Up to date) {737A8864-C2D9-4337-B49A-B5E35815B9BB}
Save this as
fixlist.txt, in the same location as FRST.exe
Run FRST and press Fix
On completion a log will be generated please post that