The latter has to do with system updates (Component Based Servicing), see URL below. It might be there is some anomaly in how your machine is taking bug-fixes from Microsoft, e.g. a patch got misapplied somehow and created a cascade of problems. The former is probably just caching from your web browser and that sort of thing.
https://social.technet.microsoft.com/Forums/en-US/5789be66-b99f-4880-a737-222b3c15adfe/is-it-safe-to-delete-cbs-log-files?forum=win10itprohardware From: Friam <[email protected]> on behalf of Nick Thompson <[email protected]> Reply-To: The Friday Morning Applied Complexity Coffee Group <[email protected]> Date: Friday, January 18, 2019 at 12:39 AM To: Friam <[email protected]> Subject: [FRIAM] No fool like an old fool. Hi, Anybody, You remember that I complained that my 380gb hd kept filling up. Today I downloaded winderstat and found that 200 gb of disk space is tied up in the windows Temp directory. Any idea how I have been doing that? Another 60 gb are tied up in a directory named CBS consisting entirely of .log files beginning with CbsPersist. WTF? What does everybody else on this list know about running a windows computer that I don’t know? Nick Nicholas S. Thompson Emeritus Professor of Psychology and Biology Clark University http://home.earthlink.net/~nickthompson/naturaldesigns/
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