CTR + ALT + DEL: Solution for failed task manager calling

Run system32 \ dllcacheto copy taskmgr.exe to system32.
Start ---- run and enter gpedit. MSC to open "Group Policy"
Then "user configuration" --- "management template" ----- "system" ------ "CTRL + ALT + DEL option"
Change the "Task Manager" attribute to "enabled ".

About hiding files
[HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ Explorer \ Advanced \ Folder \ Hidden \ nohidden]
"Checkedvalue" = DWORD: 00000000
Change the value of "checkedvalue" to "2" (DWORD: 00000002)

[HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ Explorer \ Advanced \ Folder \ Hidden \ showall]
"Checkedvalue" = DWORD: 00000000
Change the value of "checkedvalue" to "1" (DWORD: 00000001)

Delete the following drivers:
[Aafecace/aafecace] [stopped/boot start]
<\ Systemroot \ system32 \ drivers \ aafecace. sys> <N/A>
[Acpidisk/acpidisk] [running/auto start]
<\?? \ C: \ windows \ system32 \ drivers \ acpidisk. sys> <N/A>
File:
C: \ windows \ system32 \ winlib. dll

Clean up rogue software...

Use SRE to link your files.
If the above two-sided and three-way method still does not work, it should be a virus.