Extention Pack install failed

[MJvK]

Het is niet gelukt het Extention Pack C:/Users/MAARTE~1.KES/AppData/Local/Temp/Oracle_VM_VirtualBox_Extension_Pack-6.0.8.vbox-extpack te installeren.

The installer failed with exit code 1: VBoxExtPackHelperApp.exe: error: Failed to rename the temporary directory to the final one: VERR_ACCESS_DENIED ('C:\Program Files\Oracle\VirtualBox\ExtensionPacks\Oracle_VM_VirtualBox_Extension_Pack-_-inst-15100' -> 'C:\Program Files\Oracle\VirtualBox\ExtensionPacks\Oracle_VM_VirtualBox_Extension_Pack')

rcExit=1.

Resultaatcode:E_FAIL (0x80004005) Component:ExtPackManagerWrap Interface:IExtPackManager {70401eef-c8e9-466b-9660-45cb3e9979e4}

[Socratis]

It's usually better and faster, if issues get first addressed in the ​VirtualBox forums, a lot more eyes there. More than 95% of the issues are resolved in the forums, which keeps the developers focusing on the bug fixes and enhancements, and there is no need for another ticket to keep track of. For example, yours is most probably not a bug and someone from the developers has to deal with it and close it as "Invalid".

Plus a discussion and analysis on the bug tracker is going to help me, you, and potentially a future drive-by user or two. Not so in the forums, many more tend to benefit...

I would suggest to completely uninstall any 3rd party antivirus, 99.9% that's where your problem is.

[bird]

This could be caused by anti-virus or “protection” software. Hard to tell.