如果您下载的是DLL文件（如果是其他软件请无视下面的信息）：
1、下载后根据您系统的情况选择X86/X64，X86为32位电脑，X64为64位电脑。 如果您不知道是X86还是X64，可以住个尝试。
2、把dll文件拷贝到对应目录
C:\Windows\System (Windows 95/98/Me)
C:\WINNT\System32 (Windows NT/2000)
C:\Windows\System32 (Windows XP,Vista,7,8,10)
如果是64位文件C:\Windows\SysWOW64
至此如果问题依旧，您可能需要使用regsvr32注册文件
方法如下： 单击开始，选择运行 ，输入 regsvr32 DLI_PDFL81.dll 8.1.0.21 并按下确认 之后会弹出注册成功信息即可。
If you download a DLL file, this is the installation instructions.
Step 1
Open the DLI_PDFL81.dll 8.1.0.21 file you downloaded from zhaodll.com.
After extracting your zip or rar, place the extracted DLL in the directory of the program that is requesting the file. Make sure to use a 32bit DLL for a 32bit program, and a 64bit DLL for a 64bit program. Failure to do so will likely result in a 0xc000007b error.
Step 2
If that does not help your problem, place the file to your system directory.
By default, this is
C:\Windows\System (Windows 95/98/Me),
C:\WINNT\System32 (Windows NT/2000), or
C:\Windows\System32 (Windows XP, Vista, 7, 8, 8.1, 10).
On a 64bit version of Windows, the default folder for 32bit DLL is C:\Windows\System32\ , and for 64bit dll C:\Windows\SysWOW64\ .
Make sure to overwrite any existing files (but make a backup copy of the original file).
Reboot your computer.
Step 3
If the problem still occurs, try the following to register the DLL:
For 32bit DLL on a 32bit Windows, and for 64bit DLL on a 64bit Windows:
Open an elevated command prompt.
To do this, click Start, click All Programs, click Accessories, right-click "Command Prompt", and then click Run as administrator.
In Windows 8/10, go to the Start screen. Start typing cmd and Windows will find "Command Prompt". Right click "Command Prompt" and choose "Run as administrator".
If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
Type regsvr32 DLI_PDFL81.dll 8.1.0.21 and press Enter.
Registering 32bit DLL on a 64bit Windows:
Open an elevated command prompt, as instructed above.
In the command prompt, start by typing following and press enter:
cd c:\windows\syswow64\
then type the following and press enter:
regsvr32 c:\windows\syswow64\DLI_PDFL81.dll 8.1.0.21
Finally, reboot your PC one last time to refresh the memory. That should do it! |
