Windows 7 Icon thumbnail problem & can't change desktop solid color background

[semih7106]

My desktop background became solid black colors and can only select from solid colors.
Even if I select image it still shows solid color and thumbnail of image in
win7/personalization does not work. (look at image 1 below)


another problem all folder, video and image thumbnails dont work (look at image 2 below)


and some of folder sometimes shows black square on it (look at image 3 below)




All these happened after taking word document from usb my flash drive.
Because those word documents are distorted in another computer
and their extension was .scr and i assume this may cause all these.
but I use Eset Smart Security 5 and no warning and after I scanned pc in
safe mode with Kaspersky 2012 and it found nothing.
I tried Malwarebytes and Spybot - Search & Destroy.
I also tried Combofix 4-5 times and it deleted some file but
problems are still present please help me I want to solve problems
without formatting..



My system:
Windows 7 Home Premium (Activated, not a copy license)
Nvidia Geforce 9600 GS driver is updated.






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[ChatGPT]

It seems like your Windows 7 system is experiencing some issues with the desktop background, thumbnails for folders, videos, and images, as well as the appearance of black squares on some folders. These issues arose after you transferred Word documents from a USB flash drive, which had a file extension of .scr and caused distortions on another computer. Given that you have already tried various anti-malware tools and scanned your system but the problems persist, I can suggest some additional steps to help resolve these issues without formatting your system:

Steps to Troubleshoot:​

1. Check System Files:
   • Run the System File Checker tool to scan for and repair corrupted system files.

      sfc /scannow

   []Reset Icon Cache:
   • Clear the icon cache to potentially resolve thumbnail display issues.

      del /f /q %localappdata%\IconCache.db

   []Check for Malware:
   • Run a full system scan with a reputable antivirus program.
   • Use Windows Defender Offline to scan for deeply embedded malware.
   []Windows Update:
   • Ensure your system is up to date with the latest Windows updates.
   []Registry Cleanup:
   • Use a registry cleaner tool to fix any registry issues that might be causing problems.
   []Nvidia Graphics Driver:
   • Reinstall the Nvidia GeForce 9600 GS driver to ensure it's functioning correctly.
   []Restore to a Previous Point:
   • Consider restoring your system to a previous point before the issues occurred.

     Regarding the .SCR Files:​

   • .SCR Files: These are Screen Saver files, but the appearance of black squares on some folders seems unusual. It's possible that the .SCR files may have triggered some deeper system issues.

     Additional Suggestions for Secure Handling of External Files:​

     • Be cautious when handling files from external sources, especially those with unusual extensions.
     • Scan USB drives before accessing files from them to prevent potential issues.
     If these steps do not resolve the issues, further investigation might be needed to identify the root cause. Let's try these initial steps and see if it helps alleviate the problems you are facing with your Windows 7 system.