Windows 10 startmenu, cortana not working etc. - Microsoft Community

please me, startmenu , cortana not working microsoft edge, , cant play videos or pictures microsoft apps virus or problem system? can please me? cant open microsoft apps either , if reset pc says curewnt new version windows 10 deleted , restore older windows 10 , dont want happen 

hello,

to concern, suggest try run dism or system update readiness tool and system file checker.

system file checker utility in windows allows users scan corruptions in windows system files , restore corrupted files. click on links below:

• using system file checker in windows 10
• system file check (sfc) scan , repair system files & dism fix things sfc cannot

the dism or system update readiness tool may fix windows corruption errors.

fix windows update errors using dism or system update readiness tool

what system update readiness tool do

verify integrity of resources

the system update readiness tool verifies integrity of following resources:

• files located in following directories:
  • %systemroot%\servicing\packages
  • %systemroot%\winsxs\manifests
• registry data located under following registry subkeys:
  • hkey_local_machine\components
  • hkey_local_machine\schema
  • hkey_local_machine\software\microsoft\windows\currentversion\component based servicing

list may updated @ time.

when system update readiness tool detects incorrect manifests, cabinets, or registry data, may replace incorrect data corrected version.

logging

the system update readiness tool creates log file captures issues tool found or fixed. log file located here:

• %systemroot%\logs\cbs\checksur.log
• %systemroot%\logs\cbs\checksur.persist.log

how fix errors found in checksur.log

to manually fix corruption errors system update readiness tool detects can't fix, follow these steps:

1. open %systemroot%\logs\cbs\checksur.log. 
   note %systemroot% environment variable that saves folder in windows installed. example, %systemroot% folder c:\windows. 
2. identify packages tool can't fix. example, may find following in log file:
   summary:
   
   seconds executed: 264
   found 3 errors
   cbs mum missing total count: 3
   unavailable repair files:
   
   servicing\packages\package_for_kb958690_sc_0~31bf3856ad364e35~amd64~~6.0.1.6.mum 
   ...
   in case, package corrupted kb958690.
3. download package from microsoft download center or microsoft update catalog.
4. copy package (.msu) %systemroot%\checksur\packages directory. default, directory doesn't exist , need create directory.
5. run system update readiness tool again.
   

update on result.

Windows / Windows 10 / Performance & system failures / PC