While working with an operating system, it is not uncommon to get errors. For the last couple of days or so, everytime I restore System32 sys, I will encounter this dll error excel error. Keep reading and you will work things out.


Mostly, you will encounter:

  • Slow computer performance
  • The computer is stuck during normal operation or when running multiple tasks
  • Blue screen of death occurs
  • Some unused files get opened automatically
  • Update program is unable to continue

What symptoms are shown?

This windows error displays on your PC screen with some error message in the dialog box. They are:

"Cannot find %PROGFILES64%\WIDCOMM\Bluetooth Software\what is c windows system32 dllcache tcpip sys."
How did you get what is c windows system32 dllcache tcpip sys?

There can be some causes of this error including that:

  • The.NET framework is not properly installed on your system
  • Mis-configured System Files and Registry Issues
Advanced Solution

Step 1: Scan virus

If your computer infects malware or virus, it will report a what is c windows system32 dllcache tcpip sys error to prevent malicious programs from executing. Virus or malware infection is one of the most frequent common viruses and starting a virus scan should be the first essay. If there is malware or virus on your PC, the issue you occur is a signal of it. The right and first reaction to that is running a full virus scan for computer system and personal data as soon as possible. If you already have setup antivirus app, then update it to the latest version and perform virus scanning.

Step 2: Repair registry

In some cases, the error is caused by harmful system maintenance and corrupted registry entries. Registry corruption appears due to software installation or uninstallation, for example users install new apps over old ones without deleting or uninstall them correctly. System registry is usually deemed as SPOF (single point of failure) by many Windows users, which indicates that OS is tied to registry and registry corruption may lead to system exceptions.

In order to eliminate the error, you have to check registry entries and delete all redundant and null entries, but for many users who are not computer experts, this will be a complex process. One incorrect operation may turn computer into inoperable, such as deletion of wrong input accidentally. If you are not a computer guru, you can attempt some third-party software which is able to scan and repair corrupted registry automatically instead of fixing registry manually. There are many such programs on the Internet to choose from, and most of them work equally well.

Step 3: Disable DEP (Data Execution Prevention)

Data execution prevention was initially used by Microsoft and used on Windows XP Service Pack 2 and later versions. It is a set of security features designed to prevent code execution from non-executable memory segments. It checks memory in order to protect computer againstkeep computer away from virus.

DEP has been enabled for both hardware and software components starting with Windows XP SP2. However, some programs are still can't be fully compatible with it. Some apps adopt a technique, usually called dynamic code generation, which doesn't mark these codes with an execute permission. As a result, this conflict causes the problem. In addition, if software is developed without SafeSEH, it may cause what is c windows system32 dllcache tcpip sys error when DEP is enabled on the computer.

If you get the error due to DEP, you can contact the developer of the software which cause the problem and ask whether they have a solution. Alternatively, you can disable DEP for the software in question and this can be done through following steps:

  • Log in computer with Administrator account to make sure you have fully administrative rights.
  • If your computer is running Windows XP, click "Start" button and select "Run". Windows 7 user can press Windows and R keys. Type sysdm.cpl in Run box and click OK.
  • You can see System Prosperities window where you need to click Advanced tab and then click Settings.
  • The "Performance Options" window will appear and please click "Data Execution Protection" tab. Select the option "Turn on DEP for all programs and services except those I select" and click "Add" button.
  • Browse files from the Open applet and find the exe files of the software which causes the error code. Select it and click "Open" button.
  • Click "Apply" and "OK" to make changes take effect.

Step 4: Remove bad RAM memory

Generally, a bad or incompatible RAM (Random Access Memory) cause the issue. For instance, you've just added a new memory for your computer aiming to improve performance; however, you start to receive error what is c windows system32 dllcache tcpip sys from that time on. You can handle the problem by simply removing the memory and restarting computer to check if the error has disappeared. If that works, retrieve the memory or replace it with one that is fully compatible with your computer.
Note: Before removing RAM memory, you should turn off computer and pull out all cables such as power, network, and so on. If your PC is notebook, remove battery after shutting down computer.

Step 5: Update Internet Explorer 6.0

The error may occur in Microsoft Internet Explorer 6.0 when you attempt to access an HTML file or web page. At the same time, the IE appears to stop responding when the error occurs. This error appears particularly when the HTML document or web page Internet Explorer 6.0 attempt to open includes SPAN label which were not properly closed. If the label tag is not closed correctly with tag, the access to the conflict will take place.

About solutions, Internet Explorer is outdated and current Windows 10 introduces Edge. You can install an updated version of Internet Explorer such as Internet Explorer 10 or use other free browsers such as Google Chrome, Mozilla Firefox, Opera, and more.

Highly Recommended Solution: what is c windows system32 dllcache tcpip sys

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