How to Repair mscorlib.tlb? Download Now

Sometimes Windows system displays error messages regarding corrupted or missing mscorlib.tlb files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent mscorlib.tlb file can therefore effect in failed execution of the started process.

mscorlib.tlb file VAX Text Library. The file was developed by Microsoft for use with Windows software. Here you will find detailed information about the file and instructions how to proceed in the event of mscorlib.tlb related errors on your device. You can also download mscorlib.tlb file compatible with Windows 10, Windows 7, Windows 7, Windows Vista, Windows 8.1, Windows 8, Windows Vista devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 7, Windows 7, Windows Vista, Windows 8.1, Windows 8, Windows Vista

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Fix mscorlib.tlb errors

1 Information about mscorlib.tlb file
2 Errors related to mscorlib.tlb file
3 How to fix mscorlib.tlb related errors?

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download mscorlib.tlb

4.1 List of mscorlib.tlb file versions

File info

General information
Filename	mscorlib.tlb
File extension	TLB
Type	Dynamic Link Library
Description	VAX Text Library

Software
Program	Windows 10
Software	Windows
Author	Microsoft
Software version	10

Details
File size	519680
Oldest file	2006-09-18
Latest file	2017-03-18

Most common mscorlib.tlb file related problems

There are various types of errors related to mscorlib.tlb file. mscorlib.tlb file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to mscorlib.tlb file. If you encounter one listed below (or similar), please consider the following suggestions.

mscorlib.tlb is corrupted
mscorlib.tlb cannot be located
Runtime Error - mscorlib.tlb
mscorlib.tlb file error
mscorlib.tlb file cannot be loaded. Module was not found
cannot register mscorlib.tlb file:
mscorlib.tlb file could not be loaded
mscorlib.tlb file doesn't exist

mscorlib.tlb

Application could not be started because mscorlib.tlb file is missing. Reinstall the application to solve the problem.

Problems related to mscorlib.tlb can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing mscorlib.tlb file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

How to fix mscorlib.tlb errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

mscorlib.tlb file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with mscorlib.tlb file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Installing relevant Microsoft Windows patches and updates may solve your problems related to mscorlib.tlb file. Use dedicated Windows tool to perform the update.

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of mscorlib.tlb or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to mscorlib.tlb file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the mscorlib.tlb file with properly working version. To use the tool:

Go to the Windows "Start" menu
Type "cmd" in the search field
Locate "Command Prompt" result – don't run it yet:
Click the right mouse button and select "Run as Administrator" option
Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Another approach is to restore system to previous state, before the mscorlib.tlb file error occured. In order to restore your system, follow the instructions below

Go to the Windows "Start" menu
Type "System Restore" in the search field
Start the system restore tool – it's name may differ depending on version of the system
The application will guide you through the process – read the messages carefully
After the process has finished, restart your computer.

If all the above-mentioned methods failed and the mscorlib.tlb file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace mscorlib.tlb file

The last solution is to manually download and replace mscorlib.tlb file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded mscorlib.tlb file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of mscorlib.tlb file example directory paths.

Windows 10: C:\Windows\Microsoft.NET\Framework\v4.0.30319\
Windows 7: C:\Windows\Microsoft.NET\Framework64\v2.0.50727\
Windows 7: C:\Windows\Microsoft.NET\Framework64\v2.0.50727\
Windows Vista: ---
Windows 8.1: ---
Windows 8: ---
Windows Vista: ---

If the steps did not solve your mscorlib.tlb file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename mscorlib.tlb

System Windows 10

File size 519680 bytes

Date -0001-11-30

Download

File details
	MD5	376e67d1492b2acc5d7ae1e523b2d6ad
	SHA1	8ad136fd92b0c13490c6b19387519b68eafba1d5
	SHA256	a6391e650c822a7773fd711d92f5955ddf0af3ba00c2846740debaf18545cfc5
	CRC32	4cb409f1
	Example file location	C:\Windows\Microsoft.NET\Framework\v4.0.30319\

Filename mscorlib.tlb

System Windows 7

File size 512896 bytes

Date -0001-11-30

Download

File details
	MD5	808c17b646a56d405cceeae5f22a5408
	SHA1	19552ca0638309d1bcfd052eef2d187abaecc42e
	SHA256	34c34f763bcef20178df724fbe217c0b87ce454df64d6ca44d89735fb894e99c
	CRC32	83307c74
	Example file location	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\

Filename mscorlib.tlb

System Windows 7

File size 524288 bytes

Date -0001-11-30

Download

File details
	MD5	cc2abffbdc5667a3f24f08943eac5d66
	SHA1	097ccbcbc0ffff612fa44e84f8a418800a5b5bf9
	SHA256	c2cda1e5df4db16f9d15ddbbfdcf0e4655dcdd45cd169210899c832d5f1bd4de
	CRC32	d0f536c0
	Example file location	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\

Filename mscorlib.tlb

System Windows Vista

File size 524288 bytes

Date -0001-11-30

Download

File details
	MD5	f00741d5b8c8d2d0c038a681b1657abe
	SHA1	5d84189632b7b8d4f36136156420ff595bcd5947
	SHA256	258787a5f8eebb692eba7297c0a4a97e75ed5c1861c7bb772a40c141575006c2
	CRC32	78b95520
	Example file location	---

Filename mscorlib.tlb

System Windows 8.1

File size 519680 bytes

Date -0001-11-30

Download

File details
	MD5	376e67d1492b2acc5d7ae1e523b2d6ad
	SHA1	8ad136fd92b0c13490c6b19387519b68eafba1d5
	SHA256	a6391e650c822a7773fd711d92f5955ddf0af3ba00c2846740debaf18545cfc5
	CRC32	4cb409f1
	Example file location	---

Filename mscorlib.tlb

System Windows 8

File size 519680 bytes

Date -0001-11-30

Download

File details
	MD5	376e67d1492b2acc5d7ae1e523b2d6ad
	SHA1	8ad136fd92b0c13490c6b19387519b68eafba1d5
	SHA256	a6391e650c822a7773fd711d92f5955ddf0af3ba00c2846740debaf18545cfc5
	CRC32	4cb409f1
	Example file location	---

Filename mscorlib.tlb

System Windows Vista

File size 512896 bytes

Date -0001-11-30

Download

File details
	MD5	808c17b646a56d405cceeae5f22a5408
	SHA1	19552ca0638309d1bcfd052eef2d187abaecc42e
	SHA256	34c34f763bcef20178df724fbe217c0b87ce454df64d6ca44d89735fb894e99c
	CRC32	83307c74
	Example file location	---