OptProCrash.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if OptProCrash.dll is a Windows system file or if it belongs to an application that you can trust.
Description: OptProCrash.dll is not essential for the Windows OS and causes relatively few problems. The OptProCrash.dll file is located in a subfolder of "C:\Program Files".
Known file sizes on Windows 10/8/7/XP are 2,961,368 bytes (30% of all occurrences), 3,000,776 bytes and 6 more variants.
The program has a visible window. There is no file information. It is certified by a trustworthy company. The application is loaded during the Windows boot process (see Registry key: AppInit_DLLs). It is not a Windows core file. Therefore the technical security rating is 33% dangerous.
Recommended: Identify OptProCrash.dll related errors
Important: Some malware camouflages itself as OptProCrash.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder, for example not-a-virus:RiskTool.Win32.Agent.iht or not-a-virus:RiskTool.Win32.Agent.ihv (detected by Kaspersky), and Gen:Adware.BProtector.1 (detected by BitDefender). Therefore, you should check the OptProCrash.dll process on your PC to see if it is a threat. If OptProCrash.dll has changed your browser's search engine and start page, you can recover your browser's default settings as follows:Reset default browser settings for Internet-Explorer ▾
The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active OptProCrash process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the OptProCrash.dll on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.
A clean and tidy computer is the key requirement for avoiding PC trouble. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.
Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.