“Internet Explorer Script Error . error has occurred on the script of this page CMainWnd is undefined” resolved by disabling script debugging

It simply means that the file system cannot support individual transfers of certain file sizes. The storage system on your computer can support different file sizes. That’s how it can easily transfer of files between the internal and external drives. But once in a while, you’ll get an error

The Windows registry

Unsurprisingly, Microsoft no longer provides RegClean. Since Windows 98, it has not been supported as it has caused a lot of issues. Some software can stop working if crucial registry keys are deleted; in this case, they need to reinstall. Important keys that have been corrupted may cause error