i dont know if i installed malware but my computer keeps freezing and crashing on even roblox, what do i do to check it

Run a Microsoft Defender Offline scan first; the two TiFileFetcher files shown inside C:\Windows\WinSxS are not, by themselves, evidence of malware, and they should not be manually deleted.

Check for malware

1. Save your work because the computer will restart.
2. Open Start → Windows Security → Virus & threat protection.
3. Select Scan options.
4. Select Microsoft Defender Antivirus (offline scan), then Scan now.
5. After the scan and automatic restart, return to Windows Security → Virus & threat protection → Protection history to view the result.

The offline scan runs before normal Windows loads, making it harder for persistent malware to hide. A Full scan checks every file and program, but the offline scan is the more appropriate first check when malware is suspected.^1^

Also check Virus & threat protection → Allowed threats. If an unfamiliar detected item was previously allowed, select it and choose Don’t allow.^1^

About the files in the screenshot

The screenshot shows two architecture-specific copies under the Windows component store:

• C:\Windows\WinSxS\amd64_...
• C:\Windows\WinSxS\x86_...

WinSxS stores versioned Windows components used for servicing, updates, and rollback. Windows can legitimately keep multiple versions or architecture-specific copies. Do not delete or modify these files: Microsoft warns that manually deleting WinSxS content can prevent Windows from booting or updating.^2^

The screenshot does not display CPU percentages, so it does not establish that these files are causing the load. To inspect the running process more closely, Microsoft’s Process Explorer can show active processes and the files or DLLs they have loaded.^3^

If Defender finds nothing

Freezing during Roblox can also result from a background-program conflict, damaged Windows files, memory trouble, graphics drivers, overheating, or other hardware instability.

1. Install pending Windows updates, restart, and obtain the current graphics driver from the PC or graphics-card manufacturer.
2. Repair Windows system files. Search for Command Prompt, right-click it, select Run as administrator, and run these commands in order:

DISM.exe /Online /Cleanup-Image /RestoreHealth
sfc /scannow

DISM repairs the Windows component image; SFC then checks and repairs protected system files.^4^

3. Test the memory. Save your work, press Windows+R, enter mdsched, select Restart now and check for problems, and wait for Windows Memory Diagnostic to finish.^5^
4. Test Roblox in a clean boot to identify background conflicts:
   • Search for msconfig and open System Configuration.
   • Under Services, select Hide all Microsoft services, then Disable all.
   • Under Startup, select Open Task Manager and disable enabled startup apps.
   • Restart and test Roblox.
   If it stops crashing, re-enable services and startup apps in groups until the conflicting program is identified. Record what was disabled so it can be restored afterward.^6^

If the computer displays a blue screen, record the stop code and check C:\Windows\Minidump. The stop code and dump files are much more useful for identifying a driver or hardware failure than CPU usage alone.

References

1. Virus and Threat Protection in the Windows Security App | Microsoft Support
2. Clean Up the WinSxS Folder | Microsoft Learn
3. Process Explorer - Sysinternals | Microsoft Learn
4. Use the System File Checker tool to repair missing or corrupted system files | Microsoft Support
5. [Windows 11](https://support.microsoft.com/windows/experience/performance-optimization/how-to-fix-error-0xa-irql-not-less-or-equal#check-the-windows-device's-memory)
6. [Windows 11](https://support.microsoft.com/windows/experience/startup-boot/how-to-perform-a-clean-boot-in-windows)