minecraft will not launch any version of the game since the launcher was updated. i get this error code.

Unable to save download. client-1.7.xml
Name: client-1.7.xml
URL: https://launchermeta.mojang.com/mc/log_configs/client-1.7.xml/6605d632a2399010c0085d3e4da58974d62ccdfe/client-1.7.xml
Error details: Attempting to move successful download to C:/Users\Jesse\Documents\Curse\Minecraft\Install\assets\log_configs\client-1.7.xml
The process cannot access the file because it is being used by another process
Filename on disk: b152-860e-d443-3e3b
Path: C:\Users\Jesse\AppData\Local\Temp\b152-860e-d443-3e3b
Exists: file