What can cause 6605 error message?
The lack of files or registry
permissions which result in the presence of error code 6605 on
your device may occur based on several reasons. The most common of these
relates to the existence of malware programs on your machine. Malware
can disrupt and change system files which are required for the update
process to occur. Thus, this error code requires a systematic approach
to first find missing or corrupt files, as well as cleaning up malware
programs which could be preventing your machine from accessing updates.