symptomes

app hangs alone.
Windows failing to display text properly, in a variety of situations. Failing to display icons and thumbnails at times as well.

have uninstalled recent updates, KB4100403 and then KB4287903, which did seem to resolve the problems in both cases. If only temporarily in one of them. And then, when they reinstall themselves a short time later there is no problem./

virtual memory et test memory leaks
https://docs.microsoft.com/en-us/windows-hardware/drivers/debugger/determining-whether-a-leak-exists

reparation d’integrite systeme

DISM.exe /Online /Cleanup-image /Restorehealth

si update corrompu

Note: Replace the C:\RepairSource\Windows placeholder with the location of your repair source. For more information about using the DISM tool to repair Windows, reference Repair a Windows Image.

sfc /scannow
%WinDir%\Logs\CBS\CBS.log

findstr /c: »[SR] » %windir%\Logs\CBS\CBS.log> »%userprofile%\Desktop\sfcdetails.txt »

verifier dll a remplacer ou manquant
(takeown, icacls, copy)
https://support.microsoft.com/en-us/help/929833/use-the-system-file-checker-tool-to-repair-missing-or-corrupted-system